Exposure to light can cause a loss of certain vitamins. Vitamins are necessary organic molecules that our bodies require in small amounts.
They perform a variety of essential roles in our bodies, from maintaining healthy skin to generating red blood cells. Vitamin deficiencies might result in a variety of symptoms, such as dry skin, night blindness, or anemia.Exposure and vitamins: Certain vitamins might degrade when exposed to specific environmental factors, such as exposure to sunlight or air. Light-sensitive vitamins, such as vitamins A, D, E, and K, can be destroyed when exposed to sunlight, which is one of the factors that may cause the loss of certain vitamins.The majority of the vitamins that the body requires are supplied by the diet. Vitamins are not created in our bodies, so they must be consumed regularly to maintain our health. Certain people, such as vegetarians, might not receive enough vitamins in their diets and may need supplements to guarantee that they get enough.According to studies, several vitamins might degrade when exposed to light. Here are the four vitamins that are the most affected:Vitamin A, Vitamin D, The vitamin E complex, and vitamin K. In general, vitamins that are more delicate are more likely to degrade. Therefore, for example, synthetic vitamins are usually packaged in opaque, non-permeable containers to prevent exposure to light. Similarly, it is advised to store vitamin supplements in a cool, dark, and dry location to extend their shelf life.To learn more about vitamins Please visit:
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Describe the scientific explanations of the origin of life of Earth.
The scientific experiment on the origin of life on earth is according to the RNA world hypothesis, which is supported by many scientists, RNA rather than DNA was the earliest genetic molecule of life on Earth.
What is the origin of life on earth?The natural process through which life emerges from non-living materials, such as simple organic compounds, is known as abiogenesis or biopoiesis. Abiogenesis theories can be broken down into three basic stages: geophysical, chemical, and biological. Therefore, biogenesis, protobiogenesis, and biopoiesis are other terms for the origin of life.
Although the signature traits of living systems are explained by the creation of a self-replicating catalytic enzyme, the origin of the photobiological molecule itself is not explained.
Therefore, according to a scientific experiment on the genesis of life on Earth, RNA rather than DNA was the first genetic molecule of life on Earth.
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 ILL BRAINLIST!!!
The health of any water system relies on the balance of many factors. suppose river level drops striction projects on its banks. which statement best predicts how such A change will affect the organisms that live in the river?
a. The organisms that live in the river will be healthier depending on the amount of the drop
b. A number of organisms that live in the river my guy depending on the severity of the drop
c. most of the organisms that live in the river will die even if the change is very slight
d. The organisms that live in the river will quickly adapt to the current pH levels
Answer:
B.
Explanation:
Which chemical weathering process involves the action of carbonic acid
on rocks such as limestone that are composed of calcium carbonate?
Oxidation
Hydration
Solution
Carbonation
Answer:
carbonation
............
Predict how a lack of resources (food, water, shelter) would influence population size. Do you think the lack of availability would increase or decrease the size of a population? Why?
Answer:
a lack of resources would most likely decrease a population size because it will limit growth and decrease survival rates. There will also be more competition.
Explanation:
Please don't plagiarize. Thanks :)
How many chromosomes does a child inherit from his or her parents?
023 from the mother and 23 from the father
0 46 from the mother
O 46 from the father
46 from the mother and 46 from the father
Answer:
A. 23 from the mother and 23 from the father.
Explanation:
People have 46 chromosomes. You get 23 from each parent.
Hope it helps!
Answer: 23 from each parent
Explanation: EDGE 2020
A widespread population of the miniature burrowing pig (Microscrofus troglodytes) is thought to actually consist of smaller local breeding units either side of an ecotone. 120 individuals were sampled across this distribution and genotyped for the AbClocus. The results were as follows: Is this population in HWE? Test using the chi-square test. Show working. If not, how does it deviate from HW expectation? What is the result? Do the data support the original hypothesis? Can you think of any other explanation? How might you test your hypotheses further?
Answer:
Explanation:
To determine whether the population is in Hardy-Weinberg equilibrium (HWE) for the Ab locus, we need to compare the observed genotype frequencies with the expected frequencies under HWE assumptions. The expected genotype frequencies under HWE can be calculated using the allele frequencies observed in the population.
Let's assume that the Ab locus has two alleles, A and B. We'll denote the allele frequencies as p and q, respectively, and the expected genotype frequencies under HWE as p^2 (AA), 2pq (AB), and q^2 (BB).
Given the genotyping data, we can analyze the observed genotype frequencies and calculate the expected frequencies. Let's say we obtained the following counts:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
To determine the allele frequencies, we can calculate the allele counts. Let's denote the frequency of allele A as p and allele B as q.
Count(A) = 2 * AA + AB = 2 * 45 + 60 = 150
Count(B) = 2 * BB + AB = 2 * 15 + 60 = 90
Total count = Count(A) + Count(B) = 150 + 90 = 240
p = Count(A) / Total count = 150 / 240 = 0.625
q = Count(B) / Total count = 90 / 240 = 0.375
Now, we can calculate the expected genotype frequencies under HWE:
p^2 = (0.625)^2 = 0.390625
2pq = 2 * 0.625 * 0.375 = 0.46875
q^2 = (0.375)^2 = 0.140625
To determine whether the population is in HWE, we can perform a chi-square test using the observed and expected genotype frequencies.
Observed:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
Expected (calculated above):
AA: (0.390625) * 120 = 46.875
AB: (0.46875) * 120 = 56.25
BB: (0.140625) * 120 = 16.875
To conduct the chi-square test, we compare the observed and expected frequencies for each genotype and calculate the chi-square statistic:
Chi-square = Σ [(Observed - Expected)^2 / Expected]
Calculating for each genotype:
AA: [(45 - 46.875)^2 / 46.875] = 0.07602
AB: [(60 - 56.25)^2 / 56.25] = 0.26765
BB: [(15 - 16.875)^2 / 16.875] = 0.10741
Summing the values:
Chi-square = 0.07602 + 0.26765 + 0.10741 = 0.45108
Degrees of freedom (df) = Number of genotypes - 1 = 3 - 1 = 2
To determine whether the population is in HWE, we compare the chi-square statistic with the critical value from the chi-square distribution table for the given significance level and degrees of freedom. If the calculated chi-square value exceeds the critical value, we reject the null hypothesis of HWE.
Alternatively, we can use statistical software or an online chi-square calculator to obtain the p-value associated with the calculated chi-square value. If the p-value is below the chosen significance level (e.g., 0.05), we reject the null hypothesis.
Further analysis:
If the population is not in HWE, it suggests that there are deviations from the expected genotype frequencies. The deviations could indicate factors such as non-random mating, genetic drift, selection, mutation, or migration.
To explore the deviations further and understand the factors contributing to the population's deviation from HWE, additional investigations can be conducted. These might include:
1. Investigating mating patterns: Assessing whether individuals are preferentially mating with individuals of certain genotypes or from specific breeding units.
2. Genetic drift: Analyzing the population size and potential bottlenecks or founder effects that could contribute to deviations from HWE.
3. Selection: Examining whether natural selection is acting on the Ab locus, leading to deviations from expected genotype frequencies.
4. Mutation and migration: Assessing the potential impact of new mutations or migration from other populations on the observed genotype frequencies.
By conducting these additional investigations, we can gain a better understanding of the factors influencing the population's deviation from HWE and further test the original hypothesis.
Why is the digestive system important?
A
It carries blood through the body to bring oxygen, water and nutrients to cells.
B
It changes food into molecules that cells can use for energy, growth and healing.
C
It regulates the functions of all the other body systems.
D
It interprets information provided by the senses and sends messages throughout the body.
the answer would be b. you need food in order to do regular everyday things!
have a nice day <3
Jenna's age Jessica's age
today x x + 5
in 5 years x+5
5 years ago x + 5 - 5
Equality x + 5 = x + 5 - 5
=> x + 5 = x
The equation is x + 5 = x
That equation has not any solution, because it reduces to 5 = 0, which is an absurd.
So, the conclusion is that information given by Jenna is wrong.
It is logical: if the difference of the ages is 5, in five years Jenna will have 10 years more than what her sister had 5 years ago, no 5 as she told Jessica.
Answer:
Here ya go
Explanation:
Help pleaseeeee fasttt
Look at the pic it is the question.
Please help
Answer: Seagrass and seaweed are autotrophic
T/F A plant does not need its seed once it has leaves.
True. Once a plant gets leaves, it no longer requires its seed.Non-flowering plants, which do not generate seeds but instead produce spores, include ferns and mosses.
Another class of organisms is referred to as the Fungi, which also includes mushrooms and reproduces by spores. Not all plants sprout from seeds. Many plants, including ferns and mosses, are spore-based. Other plants produce new plants from rhizomes as well as tubers through asexual vegetative reproduction. To create new plants, we can also utilise methods like grafting or cuttings. Ferns are plants with roots, stalks, and leaves, just like blooming plants. Unlike blooming plants, however, ferns lack flowers and seeds and instead reproduce sexually by secreting microscopic spores or occasionally by vegetative means, as is the case with the walking fern.
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In which wedge of the two circle graphs do you observe the greatest difference between
the two regions?
Answer:
Explanation:
a.had to guess but there you go
When vesicles from the Golgi apparatus deliver their contents to the exterior of the cell, they add their membranes to the cell/plasma membrane. One reason that the cell/plasma membrane might not increase in size is because
Because membrane is continuously being removed from the plasma membrane by endocytosis, the plasma membrane does not become larger. Hence (c) is the correct option.
In response to extracellular signals, secretory vesicles that originate from the trans Golgi network exocytose their contents to the cell's exterior. A protein (such a hormone or digestive enzyme) or a tiny molecule (like histamine) can both be released. While some transport vesicles choose the cargo molecules they want to transport and send them to the following compartment along the pathway, others catch escaping proteins and move them back to a previous compartment where they can resume their usual functions.
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When vesicles from the Golgi apparatus deliver their contents to the exterior of the cell, they add their membranes to the plasma membrane. The plasma membrane does not increase in size, because
A) some vesicles from the Golgi apparatus fuse with the lysosomes.
B) membrane vesicles carry proteins from the endoplasmic reticulum to the Golgi apparatus.
C) membrane is continually being lost from the plasma membrane by endocytosis.
D) new phospholipids are synthesized in the endoplasmic reticulum.
E) the phospholipids become more tightly packed together in the membrane.
How the lion interacts its community and influences the ecosystem around it both abiotically?
Explanation:
HOPE IT WILL HELP YOU TO SOLVE YOUR QUESTION.what is the purpose of mordant in gram staining ti decolorize the crystal violet
The mordant used in the Gram staining technique serves an important role in the decolorization step of the process.
After the initial application of crystal violet stain to a bacterial smear, the smear is treated with a mordant, typically iodine, which forms a complex with the crystal violet and stabilizes it within the bacterial cells by forming an insoluble complex.
During the subsequent step of decolorization, the mordant helps to lock the crystal violet stain inside the thick peptidoglycan layer of Gram-positive bacteria, preventing it from being washed out by the decolorizing agent, usually alcohol or acetone. This results in the retention of the violet color in Gram-positive bacteria.
In contrast, in Gram-negative bacteria, the mordant is not able to effectively lock the crystal violet stain due to the thinner peptidoglycan layer and the presence of an outer membrane. As a result, the decolorizing agent can penetrate the cell wall and remove the crystal violet stain, leading to the Gram-negative bacteria appearing colorless after the decolorization step.
In summary, the purpose of the mordant in the Gram staining technique is to help lock the crystal violet stain within the bacterial cells, allowing for differentiation between Gram-positive and Gram-negative bacteria based on their differential ability to retain the stain after decolorization.
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by manipulating a single gene, scientists have been able to control sexual orientation in
There is currently no scientific evidence to suggest that sexual orientation can be controlled or manipulated through the manipulation of a single gene. Sexual orientation is believed to be influenced by a combination of genetic, environmental, and societal factors.
While certain genes have been identified as potentially playing a role in sexual orientation, research in this area is still in its early stages and the complexity of human sexuality makes it difficult to pinpoint a single genetic factor that can determine sexual orientation.
Furthermore, attempting to control or manipulate sexual orientation through gene manipulation raises ethical concerns and goes against the principle of respecting individual autonomy and diversity. Therefore, it is important to approach the topic of sexual orientation with sensitivity and understanding and to support the rights of individuals to express their sexual orientation freely and without discrimination.
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Which best explains why it is difficult to classify protists?
O They are all so much like one another.
• There is a lot of diversity
between the organisms.
O They
do not have anything in
common with other organisms.
O They have structures that are hard to observe.
Answer:
There is a lot of diversity between the organisms.
hope it helps!
1
You are allowed to enter the chemical preparation/storage area any time you need to get an item.
True or
False
Answer:
The correct option is False
Explanation:
During preparation of some reagents, that involves the use of harmful constituents like concentrated acids, students (high school students) may be prevented from entering the chemical preparation/storage area until the preparation is completed and the area is area deemed safe for students. Students may also be prevented from entering the preparation/storage area if a student does not wear the appropriate protective wear during preparation of reagents or during "trial-runs" of reagents. For example, diethyl ether has a choking smell and if a student doesn't wear a face mask, the student may be seriously affected (health-wise) by this choking substance which is hazardous when inhaled in high concentration.
You are not allowed to enter the chemical preparation/storage area any time you need to get an item. Access to this area is restricted to authorized personnel only. This is because the chemicals stored in this area can be dangerous if not handled properly. Hence the statement is False.
To enter the chemical preparation/storage area, you must first obtain permission from the lab supervisor. You will then be given a safety briefing on the hazards of the chemicals in the area and the proper procedures for handling them. Once you have been briefed, you will be allowed to enter the area, but only for the purpose of getting the item you need.
It is important to follow all safety procedures when entering the chemical preparation/storage area. This includes wearing the appropriate personal protective equipment (PPE), such as gloves, goggles, and a lab coat. You should also be careful not to spill any chemicals, and you should dispose of any hazardous waste properly.
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What role did the Yam play in the expansion of the Mongol Empire?
Answer:
The yam was the cornerstone of Mongol administration and allowed the Great Khan to run one of the largest empires in history.
Explanation:
Answer:
The yam was the cornerstone of Mongol administration and allowed the Great Khan to run one of the largest empires in history.
Explanation:
that is your answer, have a great day!
Please answer ! Best answers will be marked as brainliest and will be given thanks and 5 stars , Any unnecessary answer , will be deleted and will hack your points.
Answer:
A. Northern tropic, equator, Southern tropic (I think Im not double sure)
B. Because the sun's rays hit the earth's surface at a higher angle at the equator
C. If earth did not tilt and orbited in an upright position around the sun, there would be minor variations in temperatures and precipitation throughout each year as Earth moves slightly closer and farther away from the sun
D. It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
Explanation: hope it helps love :)
A genetic engineer wants to join the following DNA fragments.
Which tool should the engineer use?
O reverse transcriptase
O DNA ligase
O gel electrophoresis
O restriction endonuclease
Answer:
To join the DNA fragments the genetic engineer must use DNA ligase.
shawtys please help me with bio hw i will give brainliest
the two questions are attached below ↓↓↓
Answer:
Scenario 1:
d. Xx
e. normal vision
f. 1:1
g. 1:1
h. 100%
I. 0%
Scenario 2:
d. Cc, cc
e. smooth chin, cleft chin
f. 1:2
g. 1:2
h. 50% or 1/2
I. 50% or 1/2
Explanation:
I did this too
Answer:
i d k
Explanation:
Individual ants of the same species use pheromone trails to indicate the path to different food sources or back to their own colony. This is an example of
~growth and response
~genotype mutation
~inclusive fitness
~phenotypic plasticity
Blood readily moves through vessels because it contains a high volume of water. which property of water describes this ability?
The property that describes the ability of blood to move readily through vessels because it contains a high volume of water is: low viscosity.
Blood is the fluid that facilitates the transport of various substances across the whole body. It is a red-colored fluid that receives its color due to a pigment called hemoglobin. The substances that blood can transport are: gases like oxygen and carbon dioxide, waste material, hormones, immune cells, etc.
Viscosity is the property of fluids that determines the resistive power of fluids. The more a liquid is viscous, the more it has the resistive power to move or change its shape. Water has very less viscosity and hence can easily move or change shape according to the vessel it is present in.
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Phineas Gage's accident provided some of the first evidence that the frontal lobes are critical for: Group of answer choices all of the other options are correct. planning. decision making. emotional regulation or control.
The story of Phineas Gauge is widely known in the medical community. His accident continues to amaze and pique curiosity, and it can be said that it was the case that most affected and contributed to the neuropsychiatric debate on the mind-brain relationship and brain geography in the nineteenth century.
It was possibly the first instance to show that certain brain regions play a role in determining personality and that certain mental alterations can be brought on by certain brain disorders. His instance also aided in the development of the scientific theories that would ultimately lead to psychosurgery. Gauge has been established as one of the greatest medical mysteries of all time and ought to be prominent in the study of neurology, psychology, and neuroscience.
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Where is carbon stored in the environment?
Answer:
Carbon is also found in the atmosphere where it's a part of carbon dioxide gas emitted when fossil fuels are burned and when living organisms breathe. It's in organic matter in the soil, and it's in rocks. But far and away the most carbon on Earth is stored in a surprising place: the ocean.
Explanation:
Answer: On Earth, most carbon is stored in rocks and sediments, while the rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs, or sinks, through which carbon cycle.
Please help me really quick :)
Answer:
carbon dioxide is removed by respiratory organs
Explanation:
the cardiovascular system transports waste products to other systems
answer ill give u a crown
Sickle-cell anemia is an interesting genetic disease. Normal homozygous individuals (SS) have normal blood cells that are easily infected with the malarial parasite. Thus, many of these individuals become very ill from the parasite and many die. Individuals homozygous for the sickle-cell trait (ss) have red blood cells that readily collapse when deoxygenated. Although malaria cannot grow in these red blood cells, individuals often die because of the genetic defect. However, individuals with the heterozygous condition (Ss) have some sickling of red blood cells, but generally not enough to cause mortality. In addition, malaria cannot survive well within these "partially defective" red blood cells. Thus, heterozygotes tend to survive better than either of the homozygous conditions. If 9% of an African population is born with a severe form of sickle-cell anemia (ss),
what percentage of the population will be more resistant to malaria because they are heterozygous (Ss) for the sickle-cell gene?
The percentage of individuals in the population that are heterozygous (Ss) for the sickle-cell gene will be 18%.
What is population?Population is the total number of people, animals, or other living creatures in a certain area. It is typically measured by counting the number of individuals living within a given territory, and can be used to analyze population growth and density. Population estimates are often used to inform policy and decision making, such as targeted investment in public services, and the use of population data can help to understand economic, social, and health issues.
This is because for each individual with the homozygous recessive genotype (ss), there is another individual with the heterozygous genotype (Ss). Thus, for every 9% of the population with the homozygous recessive genotype (ss), there is an additional 9% with the heterozygous genotype (Ss), making the total percentage of individuals with the heterozygous genotype 18%. This means that 18% of the population will be more resistant to malaria due to their heterozygous condition.
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Which division of the nervous system enables a person to move the muscles necessary to walk down the street?.
Answer:
somatic nervous
Explanation:
Your somatic nervous system is a subdivision of your peripheral nervous system, which is all of your nervous system except your brain and spinal cord. Your somatic nervous system allows you to move and control muscles throughout your body.
12. In what ways can people increase energy efficiency overall?
Answer:
https://www.bdc.ca/en/articles-tools/business-strategy-planning/manage-business/how-aim-net-zero-energy-efficiency
Explanation:
look at that it tell ya everythin