Answer:
C
Explanation:
skin and muscle cells are similar in that they contain the same DNA
Compare the Human PTC taster sequence with the human PTC non-taster sequence and the other primates in the database (chimpanzee, bonobo, and gorilla).
-What is the ancestral (original) state of this gene at the variable nucleotide position(s) that differentiate the human alleles?
Tasters may really taste the drug (PTC), but non-tasters are completely tasteless. Non-tasters have genotype TT, while tasters have genotype TT.
One of the most often used genetic tests on humans is the test to evaluate PTC sensitivity. The capacity to taste PTC is a dominant hereditary feature. As many bitter plants are dangerous, it is possible that other primates who are PTC tasters have a selective advantage in being able to perceive bitter tastes.
One of the apes shares the SNP with humans in several locations. In other locations, apes and humans both share one SNP. History. Phenylthiocarbamide was created in 1931 by Arthur Fox, a scientist at DuPont in Wilmington, Delaware (PTC).
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Which of these describes a difference between viruses and cells?
A: Viruses have membranes made of proteins, and cells have membranes made of nucleic acid.
B: Cells contain protein, and viruses contain only carbohydrates.
C: Cells reproduce independently, and viruses require a host to reproduce.
D: Viruses have flagella, and cells have only cilia.
Answer:B:Cells contain protein,and viruses contain only carbohydrates.
Explanation:
Please mark my answer as a brainliest. Please follow me ❤❤❤NOURISH The glycolipid in your red blood cells gives you blood type A. You were asked by a stranger to
directly donate blood for his sick relative who is also blood type A. A compatible blood type. Would you be
willing to donate blood? Explain
Yes, I would be willing to donate blood to the stranger's sick relative who is also blood type A, as our blood types are compatible.
Blood type compatibility is crucial in transfusions to prevent adverse reactions. Since both of us have blood type A, it means that our blood contains the same antigens and antibodies, reducing the risk of complications during the donation. However, it is important to note that before proceeding with the donation, proper medical screening and testing should be conducted to ensure the safety and suitability of the donation for the recipient. Following the necessary protocols and ensuring a safe donation process is essential in this situation.
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Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete? 1 point A. The same number B. Twice as many C. 1/4th as many D. Half as many
Answer:
Option D, Half as many
Explanation:
Chromosome in parental cell is diploid i.e 2n
where as the gamete chromosome is haploid and is represented as "n"
Thus, chromosome number in gamete is just the half of the chromosome number of parent.
Hence, option D is correct
Which pattern of inheritance will appear if the offspring has black and white fur?
The pattern of Inheritance will appear if the offspring has black and white fur is Codominance.
What is an example of co dominance?
Roan cattle and speckled chickens, which have genes that express both red and white hair and both black and white feathers, are examples of animals that display codominance. Codominance is also seen in plants.
What is called offspring of black and white?
Mulatto is defined as "one who is the offspring of a European and a Black" in the Oxford English Dictionary. The "mulatto" was considered a third distinct "species" in this early usage, along with the "black" and "white" "species."
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A female with two Barr bodies in her cells would have what combination of sex chromosomes?
A) XXY
B) XXXY
C) XXX
D) XX
E) XYY
A female with two Barr bodies in her cells would have the combination of sex chromosomes XXX.
A Barr body is an inactivated X chromosome, and females typically have one Barr body in their cells due to their XX chromosome combination. However, in the case of a female with two Barr bodies, there must be three X chromosomes present, making her karyotype XXX.
This is a result of a chromosomal anomaly called Triple X syndrome, where the affected individual has an extra X chromosome. This syndrome often has few or mild symptoms and may not be diagnosed without genetic testing.
Therefore, option C is the correct answer.
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Select all of the characteristics of organelles:-surrounded by membranes-only found in animal cells-studded with membrane proteins-all types contain the same set of enzymes-contain distinct proteins
The correct characteristics of organelles are: Surrounded by membranes, studded with membrane proteins, and containing distinct proteins. These features are unique to organelles in cells. In addition, they are found in both animal and plant cells, and their different types contain different sets of enzymes.
Organelles are surrounded by membranes, which allow for the transport of specific molecules in and out of the organelles.
Membrane proteins are found on the surface of organelles, and they play important roles in transporting molecules across the membrane.
Organelles contain distinct proteins, which are necessary for their specialized functions. For example, mitochondria contain proteins that are involved in energy production, while lysosomes contain enzymes that break down waste products.
Overall, organelles are essential components of eukaryotic cells, providing specialized functions that allow cells to carry out complex processes. They are surrounded by membranes, studded with membrane proteins, and contain distinct proteins that are essential for their specialized functions.
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PLZ HELP WILL MARK BRAINLEST
Match each vitamin or mineral to a symptom of its deficiency.
vitamin A
potassium
calcium
zinc
problems with fluid balance
thinning bones
vision problems
poor wound healing
Answer:
Vitamin A- vision problems
Potassium- problems with fluid balance
Calcium- thinning bones
Zinc- poor wound healing
Explanation:
Between a phylum, kingdom, order and family, which would be the MOST
Canspecific level of classification?
A.Family
B.Phylum
C.Kingdom
D.Order
Answer: phylum i hope i speled that right
Explanation: The most general category in taxonomic classification is domain, ... by subsequent categories that include phylum, class, order, family, ... The kingdom Animalia stems from the Eukarya domain.
In five kingdom system of classification,main basic of life is
1.Mode of nutrition.
2.Structure of nucleus. 3.Structure of cell wall.
4.both 1 and 2
Answer:
The main criteria of the five kingdom classification were cell structure, body organisation, mode of nutrition and reproduction, and phylogenetic relationships.
Write the function of the following structures
1crotid artery
2, hepatic artery
3,masentric artery
4, masentric vein
5,renal artery
6,renal vein
7, subclavian vein
8, subclavian artery
1.The carotid artery supplies oxygenated blood to the head and neck.
2. The hepatic artery supplies oxygenated blood to the liver.
3. The masentric artery supplies oxygenated blood to the stomach.
What is blood ?Blood is a specialized body fluid that has many essential functions in the body. It is composed of cells suspended in a liquid matrix known as plasma. Blood is responsible for transporting oxygen, nutrients, hormones, and other substances throughout the body, as well as providing immunity against infection and disease.
4. The masentric vein carries deoxygenated blood from the stomach.5. The renal artery supplies oxygenated blood to the kidneys.6. The renal vein carries deoxygenated blood from the kidneys.7. The subclavian vein carries deoxygenated blood from the upper body.8. The subclavian artery supplies oxygenated blood to the upper body.
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A motor unit consists of a:________
a: single motor neuron
b: neuromuscular junctions
c: muscle fibers
d: several motor neurons
e: a single muscle fiber
A motor unit consists of a single motor neuron.
What is a motor unit?
A motor neuron and all the skeletal muscle fibres it innervates, including the neuromuscular junctions where the neuron and the fibres join, make up a motor unit. When a single muscle is being contracted, a group of motor units frequently cooperate as a motor pool. Charles Scott Sherrington put forth the idea.
A motor unit contains only one type of muscle fibre. All of the fibres in a motor unit contract when it is turned on. The quantity of activated motor units determines the force of a muscle contraction in vertebrates.
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Your culture tube is inoculated with 10 bacteria initially. After 2 hours, there are 640 bacteria present. What is the generation time of this bacterium
The generation time of this bacterium is approximately 0.33 hours. This means that, on average, it takes 0.33 hours for the bacterium population to double in size under the given conditions.
To determine the generation time of a bacterium, we can use the formula:
Generation time (t) = (time elapsed (T)) / (number of generations (n))
In this case, the initial number of bacteria (N₀) is 10, and after 2 hours, the population size (N) is 640. To calculate the number of generations, we can use the formula:
N = N₀ x (2ⁿ)
Solving for n:
640 = 10 x (2ⁿ)
Dividing both sides by 10:
64 = 2ⁿ
Taking the logarithm base 2 of both sides:
log₂(64) = n
n = 6
So, the number of generations (n) is 6.
Now we can calculate the generation time:
Generation time (t) = T / n = 2 hours / 6 = 0.33 hours
Therefore, the generation time of this bacterium is approximately 0.33 hours.
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The ____________ range defines the limitations of the type of cell that a virus can invade.
The "host range" defines the limitations of the type of cell that a virus can invade. Host range refers to the specific types of cells and organisms that a virus can infect. These limitations are dictated by various factors, such as the presence of specific cell surface receptors that the virus can bind to and the compatibility of the virus with the host cell's machinery for replication.
Different viruses have distinct host ranges, with some being able to infect only specific species or cell types, while others can infect a broader range of hosts. A virus's host range is an essential aspect of its biology, as it determines the potential reservoirs for the virus in nature and its ability to spread and cause disease.
Understanding a virus's host range is crucial in the study of viral diseases and the development of strategies for prevention and treatment. Limitations in a virus's host range can be exploited in the design of antiviral therapies, as well as in the development of vaccines to protect against viral infections.
In summary, the host range of a virus defines the limitations of the type of cell it can invade, which plays a critical role in its ability to spread and cause disease. Identifying and understanding these limitations can aid in the development of effective treatments and preventative measures for viral infections.
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The "host range" defines the limitations of the type of cell that a virus can invade. Host range refers to the specific types of cells and organisms that a virus can infect. These limitations are dictated by various factors, such as the presence of specific cell surface receptors that the virus can bind to and the compatibility of the virus with the host cell's machinery for replication.
Different viruses have distinct host ranges, with some being able to infect only specific species or cell types, while others can infect a broader range of hosts. A virus's host range is an essential aspect of its biology, as it determines the potential reservoirs for the virus in nature and its ability to spread and cause disease.
Understanding a virus's host range is crucial in the study of viral diseases and the development of strategies for prevention and treatment. Limitations in a virus's host range can be exploited in the design of antiviral therapies, as well as in the development of vaccines to protect against viral infections.
In summary, the host range of a virus defines the limitations of the type of cell it can invade, which plays a critical role in its ability to spread and cause disease. Identifying and understanding these limitations can aid in the development of effective treatments and preventative measures for viral infections.
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Please help me!!!!!!!!!!
Which organisms undergo Carnegie stages?
Answer:
Only the sheep will undergo carnegie stages, because sheep are mammals.
Carnegie stages refer to how we mammals reproduce, more specifically the stages in which embryos form.
Hope this helps :)
Answer:
sheep and salamander
you're welcome :)
SOMEONE HELP I HAVE 51 ASSIGMENTS DOU BY WEDNES
How do mutations occur in the genetic code? This represents crossing over during meiosis.
a) During DNA replication, the original DNA strand GTC ACA GGC ATC is copied into complementary strand CAG CCG TAG. This is an example of deletion.
b)Mutations can only occur when passed on thorough reproduction. The majority of mutations are the result of exposure to mutagens.
c)A woman who has sickle cell anemia passes this disease on to her offspring. This means that the mutation for sickle cell anemia MUST occur in the woman’s gametes.
d)Mutations can be silent and not affect the organism that has them.
Answer:
I think correct answer is not given in the options provided.
Crossing over during meiosis is a process where homologous chromosomes exchange genetic material. It occurs during prophase I of meiosis and can result in genetic recombination, where the offspring receives a combination of genes from both parents.
Mutations can occur in the genetic code due to errors during DNA replication or exposure to mutagens such as radiation or chemicals. Mutations can be of various types, such as point mutations, deletions, insertions, and chromosomal rearrangements. Some mutations can have harmful effects, while others may have no effect or even be beneficial.
Therefore, the option (a) describes a normal process of DNA replication but does not represent crossing over or a mutation. Option (b) is partially correct but does not describe the specific process of mutation that occurs during crossing over. Option (c) is not necessarily true for all cases of sickle cell anemia as it can also occur due to mutations in the mother's somatic cells, not just the gametes. Option (d) is correct but does not provide any information about the specific process of mutation during crossing over in meiosis.
Changes in the direction of Earth’s axis and changes in the angle at which it tilts
affect the severity of
Answer:
Ice Ages
Explanation:
Which are functions of the lysosome?
Choose all that apply:
cell membrane repair
digestion
immune response to bacteria
protein synthesis
creation of lipids
creation of membranes
Answer:
Repair, Digestion, immune response.
Explanation:
the ER is responsible for the creation of lipids and membranes and ribosomes are responsible for protein synthesis.
What is the difference between lipid hormones and protein hormones?
a. Protein hormones diffuse directly through the target cell and begin a signal transduction pathway with a series of chemical
messengers or enzymatic reactions of the target cell.
b. Lipid hormones diffuse directly through the target cell and begin a signal transduction pathway with a series of chemical
messengers or enzymatic reactions of the target cell.
c. Lipid hormones bind to a receptor to enter the target cell and begin a signal transduction pathway with a series of chemical
messengers or enzymatic reactions of the target cell.
d. Protein hormones bind to a receptor to enter the target cell and begin a signal transduction pathway with a series of chemical
messengers or enzymatic reactions of the target cell.
Answer:
plz plz follow me. ........
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Predisposing factors associated with pyelonephritis include:.
A child who has a mental age of 9 and a chronological age of 10 will have an IQ of
Which of the following is a trait that cannot be inherited through genetic information
Answer:
i think its B
Explanation:
please help??????????
I AM NOT SURE HOW TO DO THIS BUT GOOD
LUCK
What is the major enolate (or carbanion) formed when each compound is treated with LDA?
LDA (Lithium diisopropylamide) is a strong base commonly used for deprotonation of acidic protons. It is often used in organic synthesis to generate enolates or carbanions for various reactions.
Here are the major enolate or carbanion formed when each compound is treated with LDA:
Acetaldehyde (CH3CHO): The major enolate formed when acetaldehyde is treated with LDA is CH3CHO^- Li+ or CH3CH(O^-) Li+.
Propanone (acetone) ((CH3)2CO): The major enolate formed when propanone is treated with LDA is (CH3)2C(O^-) Li+ or (CH3)2C=CHLi.
Ethyl 2-oxocyclopentanecarboxylate: The major enolate formed when ethyl 2-oxocyclopentanecarboxylate is treated with LDA is CH2=C(CO2Et)CO2Li or the lithium enolate of the compound.
Methyl 2-methylpropanoate: The major enolate formed when methyl 2-methylpropanoate is treated with LDA is CH3C(CH3)(CO2Me)O^-Li+ or CH3C(CH2Li)(CO2Me)O^-.
In general, LDA can deprotonate acidic protons (such as alpha-protons in carbonyl compounds) to form enolates or carbanions. The major product formed depends on the specific compound and reaction conditions.
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We know this is a wave because–
OPTIONS
the rope is made up of strands of cotton threads which are braided together.
the rope stops moving when the students stop shaking it up and down.
it has a repeating pattern with a specific wavelength, frequency, and amplitude.
the student can change the distance the rope moves by moving the rope further up or down.
We know this is a wave because it has a repeating pattern with a specific wavelength, frequency, and amplitude (Option C).
A wave is defined as a disturbance that travels through a medium, transferring energy from one point to another without the transfer of matter. A repeating pattern with a specific wavelength, frequency, and amplitude is the characteristic of a wave, and it is evident in the motion of the rope as it is shaken up and down. This characteristic is what defines a wave, as it describes the periodic oscillation of the rope, which is the essential property of any wave. The other options may be true but are not directly related to identifying the wave motion.
Your question is incomplete, but most probably your question was
"Students are modeling waves by shaking a rope up and down. We know this is a wave because–"
And the figure can be seen in the Attachment.
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Step 4 - Biodiversity: Describe the biodiversity in your forest. Next, look up ONE example of popular wildlife (animal)
AND additional vegetation (a plant that IS NOT a tree) that live in your forest. Describe each as well as their specific
habitat within the forest, any specific adaptations they have made to live there, their role in the food chain, and any
other information you find interesting.
Description -
Animal-
Plant-
Step 5 - Timber and Wildlife Management: Describe HOW and WHY each of the following are managed in your forest.
Timber Harvesting (Logging) -
Wildfires, Prescribed, or Controlled Burns -
unting or Fishing -
I don't have information about which forest you are referring to, so I am unable to provide a specific response to Step 4 and 5. However, here is some general information about the topics mentioned in these steps.
Step 4 - Biodiversity:
Biodiversity refers to the variety of living organisms that exist in a given area. The biodiversity of a forest can vary, depending on factors such as the climate, soil type, and topography. Forests can provide habitat for a wide variety of animals, including mammals, birds, reptiles, amphibians, insects, and other invertebrates. Similarly, forests can support a range of plant species, from understory herbs and shrubs to towering canopy trees.
Example: One popular wildlife that might live in a forest is the White-tailed Deer. They adapt to living in the forest by having keen senses and excellent camouflage that help them evade predators. They are a keystone species in the food chain, as predators like wolves and cougars hunt them for food. Some interesting facts about White-tailed Deer are that they have scent glands on their legs that produce a distinctive smell that they use to signal other deer, and their antlers shed and regrow annually.
Another vegetation example of a plant that is not a tree in the forest is the Wild sarsaparilla plant. This plant is adapted to living in the understory of the forest where it gets the limited sunlight because of the canopy trees above. It has long, thin leaves that allow it to capture as much light as possible. The wild sarsaparilla plant is eaten by a few animals like rabbits, moose, and deer.
Step 5 - Timber and Wildlife Management:
Timber harvesting or logging is the process of cutting down trees for commercial use. Forests are managed to ensure sustainable timber harvesting, which involves planting new trees to replace those that are harvested and managing the forest to prevent diseases and pests.
Wildfires, prescribed, or controlled burns are managed in the forest to prevent catastrophic fires. These controlled burns or wildfires can help get rid of the debris on the forest floor and help to prevent uncontrollable fires that can start from lightning strikes.
Hunting or fishing is typically managed in the forest to minimize the impact on wildlife populations. Hunting and fishing regulations help control the number and type of animals that can be harvested, the season and time of day when they can be hunted, and the methods allowed. The aim is to protect wildlife populations and maintain biodiversity while also providing recreational opportunities for people.
what is the fate of glucose 6-phosphate that enters the pentose phosphate pathway in the flight muscles of hummingbirds?
The right response is that ribose-5-phosphate and carbon dioxide are created from glucose-6-phosphate.
The glucose-6-phosphate is converted into ribose-5-phosphate, which is the five-carbon sugar molecule and carbon dioxide, after entering the pentose phosphate pathway. Following the entry into the route, glucose-6-phosphate is initially converted into 6-phosphogluconolactone by the enzyme glucose-6-phosphate dehydrogenase.
The generation of NADPH also occurs during the conversion of glucose-6-phosphate to the lactone molecule. By the action of the enzyme lactonase, 6-phosphogluconate is created from the 6-phosphogluconolactone that is generated. This is further decarboxylated and hydrolyzed into carbon dioxide and ribose-5-phosphate by the action of the enzyme 6-phosphogluconate dehydrogenase. The hummingbird's flight muscles convert glucose-6-phosphate in order to produce NADPH and protect against oxidative stress.
The complete question is:-
What is the fate of glucose 6-phosphate that enters the pentose phosphate pathway in the flight muscles of hummingbirds? Glucose 6-phosphate is converted to carbon dioxide and ribose 5-phosphate. Glucose 6-phosphate is converted to ribose 5-phosphate. Glucose 6-phosphate is converted to carbon dioxide and pyruvate. Glucose 6-phosphate is converted to carbon dioxide.
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In arthropods, what is the difference between a mandible & chelicerae?
Answer:
Unlike the chelicerae of arachnids, mandibles can often be used to chew food. Mandibulates also differ by having antennae, and also by having three distinct body regions: head, thorax and abdomen.
Which category of macromolecules provides the energy used directly in cells? (1 point)
A. lipids
B. proteins
C. carbohydrates
D. nucleic acids
_______________________________________________________
How is energy stored in ATP?(1 point)
A. ADP loses its extra energy to ATP with the help of glucose.
B. ADP is given a third phosphate group, which stores energy in the bond.
C. ADP loses one phosphate group, leaving it with more energy.
D. ADP is given energy from glucose until it has enough energy to become ATP.
_______________________________________________________
Distinguish between the lytic and lysogenic cycles of viruses.(1 point)
A. The lytic cycle involves the merging together of the viral and host genomes.
B. The lysogenic cycle involves newly replicated virus bursting from the cell.
C. The viral genome is only injected into the cell during the lytic cycle.
D. The viral genome incorporates into the host genome during the lysogenic cycle.
1. Carbohydrates category of macromolecules provides the energy used directly in cells.
2. ADP is given a third phosphate group, which stores energy in the bond is energy stored in ATP.
3. The viral genome integrates into the host genome during the lysogenic cycle, which is the primary distinction between the lytic and lysogenic cycles (option - D) is correct answer.
How do the viral lytic and lysogenic cycles differ from one another?Viral reproduction happens during the lytic cycle, when a host cell is used to create new viruses, which then burst from the cell. The viral genome is incorporated into the host cell genome during the lysogenic cycle, which causes internal infection of the host cell.
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How does acid rain cause animals to suffer?
their habitats are destroyed by the severe weather rain can bring
animals can only find food in dry weather so they often go hungry during rain
O acid rain causes their to be less plants for animals to eat
acid rain is only a problem for humans
Acid rain harms numerous animals and plants. Thus, the food web suffers. Acid rain kills lake phytoplankton. As a result, phytoplankton-dependent insects die. Therefore, option (C) is correct.
What is acid rain?Acid rain, also known as acid deposition, is an all-encompassing word that refers to any form of precipitation that contains acidic components, such as sulfuric or nitric acid, and that falls to the ground from the atmosphere in either a wet or dry form. Acid precipitation can take several forms, such as rain, snow, fog, hail, or even dust.
Rain that contains acid can provide significant challenges for a wide variety of flora and fauna. As a direct consequence of this, the entire food web is disrupted. For instance, phytoplankton in lakes might perish as a direct result of acid rain. As a result of there being less phytoplankton available, the insects, which get their nutrition from it, are starting to starve to death.
Therefore, option (C) is correct.
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