1.
Define sunshine Vitamin?
Answers
Answer:
Vitamin D is sometimes called the “sunshine vitamin” because it's produced in your skin in response to sunlight. It's a fat-soluble vitamin in a family of compounds that includes vitamins D-1, D-2, and D-3. Your body produces vitamin D naturally when it's directly exposed to sunlight.
Explanation:
Answer:
Vitamin D is called the sunshine vitamin.
Explanation:
This is because in humans, a type of vitamin D comes from sun exposure.
HOPE THIS HELPED HAVE A GREAT DAY = )
Related Questions
The center of the cross section of a root contains called
Answers
Answer:
pith
Explanation:
The root is from a monocot and this central tissue is called the pith, like what is found in stems.
Important features of the environment corridor
Answers
Answer:
Environmental corridors are areas in the landscape that contain and connect natural areas, open space, and scenic or other resources. They often lie along streams, rivers, or other natural features. These corridors protect environmentally sensitive areas by providing linkages in the landscape and potential buffers between natural and/or human communities.
Environmental corridors are complex ecosystems that provide an avenue for wildlife movement, protection of natural resources, and green space buffers for humans. These “lifelines for living” help support human, wildlife, and natural resource “communities.” The aerial photograph in Figure 1 will help you visualize a corridor and understand its function. Note the intertwining ribbons of natural areas winding across the landscape and through fields and towns.
Explanation:
I need help with this practice problem solving In your words, give a short summary to my pic
Answers
Answer: The English settlers brought it over from England when they brought supplies to start a new life over
Explanation:
You are a paleoanthropologist excavating at a rock shelter in France dating to about 31,000 years ago. You discover a skull that has the features of an anatomically modern human, including a high vaulted forehead and small brow ridges. The skull would best be identified as
Answers
The skull discovered at the rock shelter in France, dating to about 31,000 years ago, and exhibiting features of a high vaulted forehead and small brow ridges, would best be identified as an anatomically modern human.
The features of a high vaulted forehead and small brow ridges are characteristic traits of anatomically modern humans. Anatomically modern humans, also known as Homo sapiens, emerged in Africa around 300,000 years ago and eventually spread across the globe, including into Europe. They possess a more rounded cranium with a larger brain capacity compared to earlier human species. The high vaulted forehead reflects the expanded frontal lobes of the brain, which are associated with complex cognitive functions.
The reduction in brow ridges is another notable feature of anatomically modern humans. Compared to earlier hominin species, such as Neanderthals, anatomically modern humans exhibit reduced brow ridges, creating a smoother and more vertical forehead. This change is thought to be related to alterations in the underlying skull structure and reflects the evolution of the human skull over time.
Learn more about Homo sapiens here:
https://brainly.com/question/30673067
#SPJ11
glutamate is group of answer choices a nonessential amino acid. often synthesized from glial-synthesized glutamine. neurotoxic at high concentrations. all of the above the most commonly used neurotransmitter in the brain
Answers
Glutamate is a neurotransmitter that plays a crucial role in the central nervous system. Among the given answer choices, the statement "all of the above" best describes glutamate.
Glutamate is a nonessential amino acid, meaning it can be synthesized within the body and is not required to be obtained through the diet. It is often synthesized from another amino acid called glutamine, which is primarily produced by glial cells in the brain.
Glutamate is also known to be neurotoxic at high concentrations. Excessive levels of glutamate can lead to excitotoxicity, a process where overactivation of glutamate receptors can cause damage to neurons and contribute to various neurological disorders.
Furthermore, glutamate is indeed the most commonly used neurotransmitter in the brain. It is involved in numerous synaptic connections and plays a fundamental role in the communication between neurons, influencing processes such as learning, memory, and overall brain function.
To know more about Glutamate click here:
https://brainly.com/question/32378716
#SPJ11
Name one basic characteristic for classifying organisms.
If you are sure then only give the answer otherwise you can leave.
Answers
Answer:
The more basic characteristic for classifying organisms is the kind of cells they are made of because different organisms may share same habitat but may have entirely different form and structure.
I hope it's helpful for you...
Which other three insects are closely related to ants and also have social behaviors
Answers
Answer:
Termites, wasps and bees
Explanation:
Wasps and bees - they live in hives to raise their larvae and use pheromones to communicate. They also have a queen in both.
Termites - practically the same thing as ants but they live in large mounds and have great communicaton.
*PLEASE ANSWER!!!* ASAP
The natural sonar function provided by a dolphin’s paralimbic node is comparable to
a.) mouths for a primate.
b.) feet for a primate.
c.) eyes for a primate.
Answers
Answer:
C, eyes of a primate
Explanation:
While dolphins can use their eyes, the sonar (also known as echolocation) can help dolphins detect things from farther away and maneuver in dark locations.
Please let me know if I'm wrong, have a nice day. :)
9. which of the following cavities contains a component of the central nervous system? a. abdominal b. pelvic c. cranial d. thoracic
Answers
The cranial cavity contains a component of the central nervous system.
The central nervous system (CNS) consists of the brain and spinal cord, which are responsible for coordinating and regulating the body's functions. Among the options provided, the cranial cavity is the only one that contains a component of the CNS.
The cranial cavity is located within the skull and houses the brain, which is the main organ of the central nervous system. The brain plays a crucial role in controlling bodily functions, processing sensory information, and coordinating various physiological processes. It is responsible for activities such as thinking, memory, movement, and sensory perception.
On the other hand, the abdominal cavity contains organs such as the stomach, liver, and intestines, which are part of the digestive system. The pelvic cavity houses reproductive organs, urinary organs, and parts of the digestive system. The thoracic cavity contains the heart, lungs, and other structures related to the respiratory and circulatory systems.
In summary, the cranial cavity is the correct answer as it contains a component of the central nervous system, specifically the brain.
Learn more about cranial cavity here:
https://brainly.com/question/20515008
#SPJ11
Does anyone know the answer to this?
Answers
Answer:
Isotopes
Explanation:
The carbons are different isotopes.
Which of the following statements is not part of the cell theory. 1. Cells are the basic unit of structure and function in all living things
2. All cells are produced from other cells
3. Only animal cells are composed of cells
4. All living things are composed of cells
Answers
Answer:
your answer is option 3
Huntington’s disease (HD) is prevalent South Africa. Most of the families with HD have Dutch or British ancestry, which suggests they inherited the European HD allele. HD is believed to have first arrived in South Africa more than 300 years ago when Dutch colonists settled into the Western Cape in the 1600s. Thus, the prevalence of HD in South Africa is the result of the founder effect.
Mutations in the HTT gene cause Huntington’s disease. The HTT gene provides instructions for making a protein called huntintin. This protein plays a role in nerve cells in the brain. The HTT mutation that causes HD involves a DNA segment known as a CAG trinucleotide repeat. This segment is made up of a series of three DNA building blocks that appear multiple times in a row. Normally, the CAG segment is repeated 10 to 35 times within the gene. In people with HD, the CAG segment is repeated 36 to more than 120 times. An increase in the size of the CAG segment leads to the production of an abnormally long version of the huntintin protein. This causes the dysfunction and eventual death of neurons in certain areas of the brain. The more repeats, the more serious the disease is.
HD is inherited in an autosomal dominant pattern. There is both an adult onset (after reproductive age) and a juvenile onset pattern. People with adult onset typically have 40 to 50 repeats, while people with the juvenile form tend to have more than 60 repeats. Individuals who have 27 to 35 repeats do not develop HD, but they are at risk of having children who will develop the disorder. As the gene is passed on to offspring, the size of the repeat may lengthen into the range associated with HD.
Predict what will happen to the allele frequencies for Huntington’s disease in South Africa if there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat. Justify your prediction with evidence. Your response should include links to the sources of information gathered.
Answers
Answer:
If there were a new mutation to the HTT gene that causes a reduction to the CAG trinucleotide repeat, the allele frequency for Huntington's disease would decrease in South Africa. HD is caused by too many repeats of the CAG segment causing an abnormally long version of the huntintin protein which becomes deadly. so if the number of repeats is reduced then the person is more likely to not have Huntington's disease. If they do still develop Huntington's disease, it will be more likely to be adult onset and they will still have an opportunity to reproduce offspring which may carry the trait for reduced CAG.
If a new mutation in the HTT gene were to cause a reduction in the CAG trinucleotide repeat, the allele frequencies for HD in South Africa would likely decrease over time.
What is mutation?A mutation is a change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome. Viral genomes can be made up of either DNA or RNA.
If a new mutation in the HTT gene caused a decrease in the CAG trinucleotide repeat, HD allele frequencies in South Africa would likely decrease over time. This is due to the fact that reducing the size of the CAG segment would result in a lower risk of developing HD.
Individuals with CAG repeats in the range of 27-35 do not develop HD, but they may pass on the mutated allele to their offspring, who may develop the disorder if the CAG repeat size exceeds 35.
Therefore, if a new mutation were to arise that reduces the size of the CAG repeat, individuals who carry the mutated allele would be less likely to pass it on to their offspring.
For more details regarding mutation, visit:
https://brainly.com/question/30696458
#SPJ3
How many types of rocks can form from the rock cycle?
Answers
Answer:sedimentary rocks, metamorphic and igneous rocks
Explanation:
Answer:There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
Explanation:
Anna tries to keep her kilocalorie intake under control. She eats mostly lean meats or fish and a lot of vegetables. Yesterday, for dinner, she had 3 ounces of baked salmon with half a cup of mashed sweet potatoes and about a cup of steamed asparagus. She is concerned about her weight and decided to calculate the kilocalories in her meal. She looked up the nutrient content of her foods and she consumed
7 grams of fat (in salmon)
36 grams of carbohydrates (in sweet potatoes and asparagus)
27 grams of protein (in salmon, sweet potatoes, and asparagus)
Required:
How many kilocalories did Anna consume for dinner?
Answers
Anna consumes around 235 kilocalories for dinner. This calculation involves the use of an equation known as the Atwater system. What are kilocalories (kcal)?Kilocalories, often known as calories, are a unit of energy. To maintain a healthy weight, the number of calories you consume must equal the amount of energy you expend. If you consume more calories than you need, you gain weight; if you consume less than you need, you lose weight.
Anna's nutrient consumption Fat contains 9 kcal per gram. Anna consumed 7 grams of fat, so 7 × 9
= 63 kcal.36 grams of carbohydrates contain 4 kcal each, so
36 × 4 = 144 kcal.
Anna consumes 27 grams of protein. Protein has 4 kilocalories per gram.
27 × 4 = 108 kcal. Anna consumed a total of 63 + 144 + 108
= 315 kcal in her meal.
But wait, the sweet potatoes consumed in the meal may have given the calorie value more than expected since they contain fiber. Therefore, we must subtract the calorie value from fiber from the 36 grams of carbohydrates present in the sweet potatoes.
A cup of steamed asparagus also contains only 3 grams of carbohydrates that can be subtracted. The total amount of fiber in the half a cup of mashed sweet potatoes and a cup of steamed asparagus is 5 grams.5 grams of carbohydrates, or 20 kcal, should be subtracted from the overall total.
315 - 20 = 295 Anna consumed 295 kilocalories in her dinner meal. Therefore, Anna consumed around 235 kilocalories for dinner.
To know more about consume visit:
https://brainly.com/question/27773546
#SPJ11
Organisms vary considerably in genome size. Which of the following explains most of this variation:
(a) Differences in the number of protein coding genes
(b) Differences in the number ribosomal RNA genes
(c) Differences in the number of pseudogenes
(d) Differences in the number of mobile genetic elements
Answers
The organisms vary considerably in genome size, and this variation can be explained by several factors. However, among the options given, the most significant factor that explains most of this variation is differences in the number of mobile genetic elements option d.
The Mobile genetic elements, also known as transposable elements, are DNA sequences that have the ability to move or transpose themselves within the genome of an organism. They can insert themselves into different locations within the genome, causing mutations or altering gene expression. Although the number of protein-coding genes option a, ribosomal RNA genes option b, and pseudogenes option c can also contribute to genome size variation, they are not as significant as mobile genetic elements. Protein-coding genes account for only a small portion of the genome, and their numbers do not vary considerably among different organisms. Similarly, the number of ribosomal RNA genes and pseudogenes are relatively small compared to mobile genetic elements. In conclusion, differences in the number of mobile genetic elements are the main factor that explains most of the variation in genome size among different organisms.
learn more about genetic here.
https://brainly.com/question/30459739
#SPJ11
PLS HELP ME ANSWER THESE QUESTIONS
Answers
Answer:
my sn ap = m_oonlight , send question there and i will solve
WARM-UP
for each trait
Mendelian inheritance states that traits are determined when offspring receive
from
linn a different trait.
i need help
Answers
Answer: Mendelian inheritance states that traits are determined when offspring receive alleles for each trait from either of the parents. Traits can be dominant, which means they can be seen and are capable of masking a different trait. ... Alleles are different versions of the same genes in an organism
Explanation: Allels can be either recessive or dominant.
Let:
denote actually having COVID19 antibodies (i.e. "ground truth")+
denote notactually having COVID19 antibodies (i.e. "ground truth")~+
denote testing + for COVID19 antibodiesT+
For the Rapid COVID19 test:
= 0.96P(T+|+)
P ) = 0.06(T+|~+
a:Suppose ) = 0.01, what is (2 points)P(+P(+|T+)?
b:Suppose instead that = 0.1, what then is ? (2 points)P(+)P(+|T+)
c:Why does change so much between a) and b)? (2 points)P(+|T+)
Answers
In part a, the probability of actually having COVID19 antibodies, P(+), is very low (i.e. 0.01). Thus, even with a high conditional probability of testing positive given that one has the antibodies (i.e. P(T+|+) = 0.96), the probability of testing positive overall (i.e. P(+|T+)) is still relatively low.
However, in part b, the probability of actually having COVID19 antibodies, P(+), is much higher (i.e. 0.1). This means that even though the conditional probability of testing positive given that one has the antibodies (i.e. P(T+|+) = 0.96) is the same as before
the probability of testing positive overall (i.e. P(+|T+)) is much higher because there are more people who actually have the antibodies. Therefore, the change in P(+|T+) between a) and b) is due to the change in the prior probability P(+), which affects the denominator of the formula for P(+|T+).
To know more about low Visit;
https://brainly.com/question/33281942
#SPJ11
in a study of human blood groups, it was found that among a population of 400 individuals, 230 were rh and 170 were rh-. assuming that this trait (i.e., being rh ) is controlled by a dominant allele (d), calculate the allele frequencies of d and d. how many of the rh individuals would be expected to be heterozygous?
Answers
We would expect approximately 113 of the Rh+ individuals to be heterozygous.
In this scenario, we know that the dominant allele (d) is responsible for the Rh+ blood group, and the recessive allele (d) is responsible for the Rh- blood group. We can use the information provided to calculate the allele frequencies of d and d.
Let p be the frequency of the dominant allele (d), and q be the frequency of the recessive allele (d). The sum of p and q must equal 1.
From the given information, we know that there are 230 Rh+ individuals and 170 Rh- individuals. Since the Rh+ individuals can be either homozygous dominant (dd) or heterozygous (Dd), the frequency of the dominant allele (d) can be calculated as follows:
p = [number of dd individuals + 0.5(number of Dd individuals)] / total number of individuals
p = [230 + 0.5(400-230)] / 400
p = 0.575
Similarly, the frequency of the recessive allele (d) can be calculated as:
q = [number of dd individuals + 0.5(number of Dd individuals)] / total number of individuals
q = [170 + 0.5(400-170)] / 400
q = 0.425
Therefore, the allele frequencies are p=0.575 for the dominant allele (d) and q=0.425 for the recessive allele (d).
To calculate the number of Rh+ individuals that would be expected to be heterozygous, we can use the Hardy-Weinberg equation:
p^2 + 2pq + q^2 = 1
where p and q are the allele frequencies, and p^2, 2pq, and q^2 represent the frequencies of the three possible genotypes (dd, Dd, and DD) in a population in Hardy-Weinberg equilibrium. We know that the population is in Hardy-Weinberg equilibrium because we are given the frequencies of the two alleles and can calculate the expected frequencies of the three genotypes using the equation.
Substituting the allele frequencies into the equation, we get:
(0.575)^2 + 2(0.575)(0.425) + (0.425)^2 = 1
0.331 + 0.490 + 0.179 = 1
Therefore, the expected frequency of Rh+ individuals that are heterozygous is 2pq = 2(0.575)(0.425) = 0.4905. Multiplying this by the total number of Rh+ individuals (230), we get:
0.4905 x 230 = 112.67
For such more questions on Heterozygous
https://brainly.com/question/3676361
#SPJ4
Describe the function of each organelle.
Cytoplasm
Answers
Answer:acts as a buffer amd protects the genetic material of a cell and is the site for lmost all enzymatic reactions
Explanation:
Answer:
Cytoplasm: The cytoplasm supports and protects organelles in the cell.
Explanation:
) Discuss how the 3-cell model, El Niño Southern Oscillation, and the Madden-Julian Oscillation are related to each other. Your discussion should include locations, what each of these are, and how they all impact each other
b) Name two local influences on climate that can be more influential than a location’s position in the 3-cell model. Describe how and why these local influences impact the climate.
c) Do ENSO and the MJO impact hurricane activity? If yes, why? If no, why not?
Answers
The 3-cell model, ENSO, and the MJO are interconnected phenomena that impact each other and play crucial roles in shaping regional and global climate patterns. Topography and ocean currents are two local influences on climate that can be more influential than a location's position in the 3-cell model. ENSO and the MJO do impact hurricane activity, with El Niño and the active phase of the MJO suppressing hurricane activity, while La Niña and the inactive phase of the MJO can enhance it.
The 3-cell model, El Niño Southern Oscillation (ENSO), and the Madden-Julian Oscillation (MJO) are all related to each other and impact each other in different ways.
1. The 3-cell model refers to the global atmospheric circulation pattern that divides the Earth into three cells: the Hadley cell, the Ferrel cell, and the Polar cell. These cells are responsible for the movement of air and transfer of heat from the equator to the poles. They play a significant role in determining regional climate patterns and wind systems.
2. El Niño Southern Oscillation (ENSO) is a climate pattern that occurs in the tropical Pacific Ocean. It involves the interaction between the ocean and the atmosphere, resulting in a warming or cooling of sea surface temperatures in the eastern tropical Pacific. This phenomenon has a major impact on weather patterns worldwide, affecting rainfall distribution and temperatures.
3. The Madden-Julian Oscillation (MJO) is an eastward moving disturbance that travels around the equator. It is characterized by a large-scale, eastward-moving area of enhanced and suppressed rainfall. The MJO has a significant influence on tropical weather and can affect precipitation and atmospheric circulation patterns in various regions.
These three phenomena are related in that they all involve large-scale atmospheric and oceanic processes. For example, during an El Niño event, the warming of sea surface temperatures in the eastern tropical Pacific can disrupt the normal trade winds and atmospheric circulation patterns associated with the 3-cell model. This disruption can, in turn, affect the behavior and strength of the MJO.
b) Two local influences on climate that can be more influential than a location's position in the 3-cell model are topography and ocean currents.
Topography refers to the physical features of the land, such as mountains, valleys, and coastlines. These features can greatly influence climate by affecting the distribution of precipitation, temperature, and wind patterns. For example, mountain ranges can block the flow of air masses, leading to differences in rainfall on the windward and leeward sides.
Ocean currents play a crucial role in climate regulation. They transport heat from the tropics to higher latitudes and influence regional temperature and precipitation patterns. For instance, the Gulf Stream, a warm ocean current, influences the climate of the eastern coast of the United States, making it warmer than other regions at similar latitudes.
c) Yes, ENSO and the MJO can impact hurricane activity.
During an El Niño event, the warming of sea surface temperatures in the eastern tropical Pacific can alter atmospheric conditions, leading to the suppression of hurricane activity in the Atlantic Basin. El Niño creates stronger wind shear, which makes it difficult for hurricanes to form and intensify. On the other hand, La Niña, the cold phase of ENSO, can enhance hurricane activity in the Atlantic.
The MJO can also influence hurricane activity. When the MJO is in its active phase, it can create more favorable conditions for tropical storm development, such as increased moisture and decreased wind shear. Conversely, during the inactive phase of the MJO, hurricane activity tends to be suppressed.
Learn more about 3-cell model here:-
https://brainly.com/question/28696327
#SPJ11
What is the expanded, funnel-shaped structure in the kidney that leads to the ureter?
Renal pelvis
Renal calyces
Renal hilum
Urethra
Answers
The expanded, funnel-shaped structure in the kidney that leads to the ureter is called the renal pelvis.
It is located at the center of the kidney and is responsible for collecting urine that has been produced by the nephrons, the functional units of the kidney. The renal pelvis is continuous with the major calyces, which are large, cup-like structures that collect urine from the minor calyces, which are smaller cup-like structures located at the tips of the renal pyramids.
The minor calyces receive urine from the collecting ducts of the nephrons and transport it to the major calyces. The major calyces then transport the urine to the renal pelvis, which acts as a reservoir for urine before it is transported to the ureter.
The renal pelvis is a vital part of the urinary system as it ensures the efficient removal of waste products from the body. Any abnormalities in the renal pelvis can result in various urinary tract disorders, such as hydronephrosis, pyelonephritis, or renal stones.
Hydronephrosis is a condition characterized by the swelling of the renal pelvis due to the buildup of urine, which can be caused by a blockage or obstruction in the urinary tract. Pyelonephritis is an infection of the renal pelvis and kidneys, which can lead to severe damage if left untreated. Renal stones can also form in the renal pelvis, which can cause pain and blockages in the urinary tract.
The renal pelvis is an essential component of the urinary system, responsible for collecting urine from the minor and major calyces before it is transported to the ureter. Any dysfunction or abnormalities in the renal pelvis can result in various urinary tract disorders, emphasizing the importance of its role in the body.
To know more about kidney, visit
https://brainly.com/question/31296671
#SPJ11
What are some ways that understanding an artist’s perspective might help you in the future? how about a humanist’s perspective?.
Answers
An easy-to-understand explanation of what perspective in art is and how to implement it in your paintings. Drawing with perspective will help you understand the big picture of your work, and perspective drawing for beginners is much easier than you think.
How crucial is it that you comprehend perspective drawing?
In art, perspective is crucial. Although it's an illusion, perspective technique skills are crucial if you want to add realism to your drawings and paintings. To ensure you are hitting the vanishing points precisely, start by using a ruler and a one-point perspective.Why is it crucial for artists to grasp perspective?
Artists "experiment with" perspective to offer dramatic or disorienting visuals and to give the viewer a realistic sensation of depth. A point of view, also known as perspective, is the vantage point from which a person or group of people perceives and reacts to their environment.To learn more about the artist's perspective, follow the link https://brainly.com/question/13371339
#SPJ4
What is the relationship between the TRIPLET CODE and the CODON ??
Answers
Answer:
each nucleotide triplet (called a codon) specifies a particular amino acid. Thus, a nucleotide sequence in the DNA specifies a protein provided that a messenger RNA molecule is produced from that DNA sequence. Each region of the DNA sequence specifying a protein in this way is called a gene.
Which statement is true about Earth's outer core? A. It is believed to be made mostly from copper deposits. B. It is the outermost layer of the planet. C. It is composed of liquid metal. D. It is the thinnest layer of the planet.
Answers
Answer: c
Explanation: makes sense
The Earth's outer core is mainly composed of the liquid metals such as iron and nickel. Thus, the correct option is C.
What is the outer core of the Earth?The outer core begins approximately in the range of 2,889 km or 1,795 miles beneath the Earth's surface at the core-mantle boundary of the Earth and ends at 5,150 km or 3,200 miles beneath the Earth's surface at the inner core boundary of the Earth.
The outer core of the Earth is mostly composed of liquid iron and nickel. The Nickel and Iron alloy of the outer core is very hot, between 4,500° and 5,500° Celsius temperature. The outer core of the Earth is mostly made up of iron and nickel elements. This alloy is often written as NiFe because it is a combination of their chemical element symbols.
Therefore, the correct option is C.
Learn more about Earth here:
https://brainly.com/question/12041467
#SPJ2
is cali good for lavender plants and why ?
Answers
Glycolysis, formation of acetyl CoA, Krebs cycle and the electron transport chain are all involved in:
Answers
Answer:
breaking down of glucose
Explanation:
Glycolysis, formation of acetyl CoA, Krebs cycle and the electron transport chain are all involved in the breaking down of glucose, also known as respiration, in living organisms.
During glycolysis, glucose is transformed into 2 molecules of pyruvate with ATP and NADH being generated in the process.
The pyruvate molecules are each oxidized to acetyl CoA, a process that leads to the release of carbon dioxide and the formation of NADH.
The acetyl CoAs then undergo a series of reactions, combining with a 4-carbon molecule and generating ATP, FADH2, NADH, and releasing carbon dioxide. The 4-C molecule is also regenerated during the process. This is known as the Krebs cycle.
All the FADH2 and NADH made from the earlier steps then enter the electron transport chain where they donate their electrons to become FAD and NAD respectively. ATP is generated and water is formed through the reduction of oxygen.
Fiber digested by bacteria in the large intestine with resulting Calories absorbed through the walls of the large intestine.
a. true
b. false
Answers
The answer is true. Fiber, which is a type of carbohydrate, cannot be digested by humans because we lack the necessary enzymes to break it down. However, certain types of bacteria in the large intestine are able to digest fiber through a fermentation process, producing short-chain fatty acids (SCFAs) as byproducts.
These SCFAs can be absorbed through the walls of the large intestine and used by the body as a source of energy, contributing to the calorie count. Therefore, while fiber itself may not provide calories, the bacteria that digest it can produce calories in the form of SCFAs. Fiber, particularly soluble fiber, can be partially broken down by bacteria in the large intestine. This process produces short-chain fatty acids, which can be absorbed through the walls of the intestine and provide some calories. However, the caloric contribution from fiber digestion is minimal compared to other nutrients like carbohydrates, proteins, and fats.
To know more about Fiber
https://brainly.com/question/14836257
#SPJ11
A scientist is trying to construct a genetic map for four genes found in a new species of avocado. The scientist obtains the following dataset from a series of two-point crosses.
Gene loci in testcross Recombination frequency (%)
a and b 30
a and c 50
a and d 10
b and c 50
b and d 20
c and d 50
What does this data suggest about the genes?
gene a is in a different linkage group from the others
gene b is in a different linkage group from the others
gene c is in a different linkage group from the others
gene d is in a different linkage group from the others
All of the genes are in the same linkage group
Answers
The determine whether gene b, c, or d is in a different linkage group without additional information since all three genes show recombination frequencies suggesting that they are either on different linkage groups or widely separated on the same linkage group.
Based on the provided dataset from the two-point crosses, we can analyze the recombination frequencies between different gene loci to determine their linkage relationships.
In this case, we are examining four genes labeled as a, b, c, and d in a new species of avocado.
A two-point cross involves the analysis of recombination events between two genes at a time.
The recombination frequency represents the proportion of offspring that exhibit a recombination event between the two genes, indicating the distance between them on a genetic map.
Higher recombination frequencies suggest a greater physical distance between genes, while lower frequencies indicate genes that are closer together.
Let's examine the given recombination frequencies:
The recombination frequency between gene loci a and b is 30%. This suggests that these two genes are relatively close to each other on the same linkage group, but not as closely linked as genes c and d.
The recombination frequency between gene loci a and c is 50%. This high recombination frequency indicates that genes a and c are located on different linkage groups or are very far apart on the same linkage group.
The recombination frequency between gene loci a and d is 10%. This low recombination frequency suggests that genes a and d are closely linked and located near each other on the same linkage group.
The recombination frequency between gene loci b and c is 50%. Similar to the case of genes a and c, this high recombination frequency implies that genes b and c are either located on different linkage groups or are widely separated on the same linkage group.
The recombination frequency between gene loci b and d is 20%. This suggests that genes b and d are closer together compared to genes a and d, but they are not as closely linked as genes a and b.
The recombination frequency between gene loci c and d is 50%. As observed previously, this high recombination frequency indicates that genes c and d are either on different linkage groups or are distantly located on the same linkage group.
Based on the analysis of these recombination frequencies, it can be concluded that the genes a, b, c, and d are not all in the same linkage group.
Gene a is likely in a different linkage group from the others because it shows distinct recombination frequencies with all the other genes.
For similar questions on frequencies suggesting
https://brainly.com/question/31159651
#SPJ8
hello,i need a descriptions about the Origin of cell.
Answers
In 1665,an english scientist Robert Hooke designed his own microscope and examined a cork from a bark of tree.He observed that cork is made up of many boxes like units which were packed together .He called these units Cells.
Explanation:
ORIGIN OF CELLIn 1665 a Scientist and biologist Robert Hooke designed his simple microscope,he use the microscope tonexamine a cork from a bark of tree.He found that a cork is made up of many boxes like units combined together like a honeycomb.Thereafter he called these units CELLL