The answer to which of these scientific questions would MOST likely explain why all life on Earth is
based on carbon?
A. How many carbon isotopes are stable?
B. How much carbon is found in Earth's crust?
C. What are the naturally occurring states of carbon?
D. What is the configuration of carbon's valence shell?
Answers
Answer:
D. What is the configuration of carbon's valence shell?
Explanation:
Carbon is considered special and very versatile because of the number of valence electrons it has. Because it has four valence electrons, it's able to combine with many other elements, which makes it an essential building block of life.
Related Questions
how do organs work together in the nervous system to allow a fish to stimuli in its environment?
Answers
Answer:
Explanation:
The central nervous system consists of the brain and the spinal cord. The brain receives information from sense organs that monitor conditions both within and around the fish. The brain interprets this information and sends response commands to the body.
how many cell divisions take place during mitosis?
Answers
Answer:
1 is the correct answer
Answer:
There is only one cell division.
Explanation:
It makes 2 identical daughter that are identical to the mother and another cell. They both have a 2n chromosomes, called diploid.
The cooperative breeding system of primates such as marmosets and tamarins can be explained by____ a) chimerism, which increases fraternal twins' inclusive fitness when they help raise one another's offspring. b) helpers who care for the offspring of the breeding pair, although the helpers are usually not related to them. c) the fact that mothers sometimes allow their daughters to breed. d) mutualism between the nonbreeding helpers.
Answers
The cooperative breeding system of primates such as marmosets and tamarins can be explained by chimerism, which increases fraternal twins' inclusive fitness when they help raise one another's offspring.
Cooperative breeding in primates like marmosets and tamarins is primarily driven by chimerism (option a). In these species, fraternal twins share blood supply in the womb, leading to the exchange of cells and creating chimeric individuals. This chimerism increases their inclusive fitness, as helping their twin raise offspring also benefits their own genetic material.
The other options (b, c, and d) may contribute to cooperative breeding to some extent, but chimerism plays a crucial role in enhancing the twins' inclusive fitness, making it the most significant factor in explaining the cooperative breeding system observed in these primates.
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which among the follwing represent example(s) of pathogen associated molecular patterns (pamps)? group of answer choices lipopolysaccharide all of the choices are correct peptidoglycan two of the choices are correct phospholipids of the cytoplasmic membrane
Answers
All of the choices are correct. Lipopolysaccharides, peptidoglycan, and phospholipids of the cytoplasmic membrane are all examples of pathogen-associated molecular patterns (PAMPs). PAMPs are molecules that are commonly found on the surface of pathogens and are recognized by the innate immune system as foreign, triggering an immune response.
Group of answer choices:
- Lipopolysaccharide
- All of the choices are correct
- Peptidoglycan
- Two of the choices are correct
- Phospholipids of the cytoplasmic membrane
These two examples of PAMPs are Lipopolysaccharide and Peptidoglycan. These molecules are found in the cell walls of bacteria and are recognized by the immune system as foreign, leading to an immune response.
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Benzo plants have flowers that are either red,orange,or yellow. The color of the flowers of these plants are determined by genes that have no dominance. Each offspring inherits one flower-color gene from each parent.RR=red flowers.RY=orange flowers.YY=yellow flowers.What are the odds that a plant will have red flowers if both of its parents have orange flowers?
Answers
If both parents have orange flowers, their genotypes would be RY. When determining the odds of a plant having red flowers, we need to consider the possible combinations of genes that the offspring can inherit from its parents. The odds that a plant will have red flowers if both of its parents have orange flowers is 1 out of 2, or 1/2.
In this case, there are two possible combinations:
Offspring inherits the R gene from one parent and the Y gene from the other parent (RY)
Offspring inherits the Y gene from both parents (YY)
Since the R gene produces red flowers, only the first combination (RY) would result in red flowers. The second combination (YY) would result in yellow flowers.
Therefore, the odds that a plant will have red flowers if both of its parents have orange flowers is 1 out of 2, or 1/2.
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in chickens, blue chickens show incomplete dominance as the heterozygous genotype. suppose you cross a black chicken with a blue chicken, what are the resulting phenotypes?
Answers
The phenotype of the heterozygous progeny (Bb) will be intermediate between the two homozygous phenotypes if blue chickens exhibit partial dominance as the genotype (BB and bb).
What happens when a heterozygous genotype exhibits incomplete dominance?For heterozygous offspring, codominance and partial dominance produce distinctive morphologies (Aa). In the example of snapdragons, where parents with red flowers and white flowers are crossed, the result is heterozygous offspring with pink flowers, incomplete dominance leads in heterozygotes with intermediate phenotypes.
What is an instance of genotypic incomplete dominance?When neither trait is truly dominant over the other, incomplete dominance results. This implies that both features may manifest in the same areas, combining two distinct phenotypes.
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A fish lives in a stinging sea anemone and they protect each other from predators. What is this an example of?
A. commensalism
B. dispersive mutualism
C. parasitism
D. defensive mutualism
Answers
Answer:
D
Explanation:
The answer is defensive mutualism
Answer:
defensive mutualism
Explanation:
took the quiz, got it right.
3. A social psychologist thinks that people are more likely to conform to a large crowd than to a single
person. To test this hypothesis, the social psychologist had either one person or five persons stand on a
busy walking path on campus and look up. The psychologist stood nearby and counted the number of
people passing by who also looked up.
Independent Variable:
Dependent Variable:
Answers
Independent variable: number of persons looking up on the path from the beginning (1 or 5). Dependent variable: number of people passing by who also looked up.
What are dependent and independent variables?
When conducting an experiment, we must always consider the involved variables.
Independent variables are those modified or changed by the researcher to study how this change affects another variable and hence the results. This variable is not affected by any other one but influences or causes a reaction in other variables. The dependent variable is the one influenced by the independent variable, and is affected by any change on this last one. Its response might be either directly proportional or inversely proportional to the change in the independent variable.
In the exposed example, social psychologist is studing people behavior. She wants to know weather if people are more likely to conform to a large crowd or to a single person.
To analyze this, she propose two situations,
one person looking up on a busy walking path on campus five persons looking up on a busy walking path on campusThe researcher wants to know the reaction of the passing by people. She counts in each situation, how many of them looks up.
In this example, the variable that is voluntarily modified by the researcher is the number of persons looking up on the path (1 or 5). So this is the independent variable.
On the other hand, the reaction of the passing by people in each situation is what she is analyzing. So the number of passing by people looking up in each situation is the dependent variable.
Dependent variable: number of people passing by who also looked upIndependent variable: number of persons looking up on the path from the beginning. (1 or 5)You will learn more about dependent and independent variables at
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the phases of meiosis shown are out of order. Can you name of each of them? plz help me
Answers
How are cohesive and adhesive forces involved in transport of water?
Answers
The water molecules are held together and preserve their stability thanks to the cohesive forces that exist between them. The water molecules are assisted by the adhesive forces to adhere to other surfaces .
Cohesion is the quality of attraction between molecules of the same kind, and the forces that exist between them are known as cohesive forces. Adhesion is the quality of attraction between molecules of two dissimilar types, and the forces that exist between them are known as adhesive forces. The water molecules are held together and preserve their stability thanks to the cohesive forces that exist between them. The water molecules are assisted by the adhesive forces to adhere to other surfaces . These surfaces allow the water molecules to adhere, preventing runoff. By preserving equilibrium between the water molecules, external surfaces, and the environment, these two forces work together to facilitate the surface tension process.
Hence, combination these forces responsible for fluid properties.
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It is known that many trees lose their leaves in response to decreasing day length. As a result, you think that Gingko trees may also lose their leaves in response to decreasing day length. This statement is an example of:
Answers
Answer:
the loss of trees
Explanation:
chantek the orangutan is one of many nonhuman primates that scholars have used to draw conclusions about the origins of human language because they seem to be able to learn how to do what?
Answers
Chantek the orangutan, along with other nonhuman primates, has been studied by scholars to draw conclusions about the origins of human language because they seem to be able to learn how to communicate using sign language.
Through intensive training, nonhuman primates have been able to learn hundreds of signs and use them to communicate with humans, indicating that they have the cognitive capacity to understand and use symbolic language. While nonhuman primates' communication abilities are not identical to human language, studying their language use can provide insights into the evolutionary origins and cognitive underpinnings of language.
However, it is important to note that the use of nonhuman primates in language studies is a subject of ethical debate and controversy.
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Which statements regarding hypotheses are true? Check all that apply. Hypotheses are based on observations. Hypotheses are written when experiments are complete. Hypotheses are formed from testable questions. Hypotheses are tested with controlled experiments.
Answers
Answer: The answers are
Hypotheses are based on observations.Hypotheses are formed from testable questions.Hypotheses are tested with controlled experiments.Explanation: I just got it right on the assignment
What is the name of the highlighted bone?
Carpal
Tarsal
Phalanges
Meta-Carpal
someone help!
Answers
Which would be the order of the bases on the opposite strand of dna
Answers
Explanation:
if one side is A the other would be T
if one side is G the other would be C
A-T
G-C
need help fast pleassssssssssssseeeeeeeeeeeee i am timeeeeeeeeeddddddddd Biodiesel fuel can be created from __________, an important resource in South and Southeast Asia. A. natural gas B. palm oil C. lumber D. coal Please select the best answer from the choices provided A B C D
Answers
Answer:
answer is palm oil
Explanation:
Biodiesel fuel can be created from palm__ oil________, an important resource in South and Southeast Asia. A. natural gas B. palm oil C. lumber D. coal Please select the best answer from the choices provided A B C D
Answer:
B
Explanation:
.....................
Align the sequences below so as to maximize their similarity. What is the minimum number of evolutionary steps that separate these two sequences?
TTGCAAAC
TGAAACTG
Answers
To align the sequences "TTGCAAAC" and "TGAAACTG" to maximize their similarity, we can use the Needleman-Wunsch algorithm for global sequence alignment.
What algorithm is commonly used to align sequences and maximize their similarity?To align the sequences "TTGCAAAC" and "TGAAACTG" to maximize their similarity, we can use the Needleman-Wunsch algorithm for global sequence alignment. The alignment is as follows:
TTGCAAAC
TGAAACTG
To calculate the minimum number of evolutionary steps that separate these two sequences, we need to count the number of differences between them in the aligned positions. In this case, there are three differences: "T" vs. "T", "T" vs. "G", and "C" vs. "G".
The minimum number of evolutionary steps separating these two sequences is three.
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(GIVING BRAINLIEST!!)
There are some clouds forming in the sky on a hot day, but inside the clouds, there are freezing temperatures. Which form of precipitation would you expect?
A) Hail
B) Rain
C) Sleet
D) Snow
Answers
Answer:
A) Hail
Explanation:
A) Hail
what is the chemical forumula of sulphur oxygen
Answers
Answer:
The chemical formula of Sulphur and Oxygen under normal conditions are S8 and O2 respectively.
If you are asking about the compounds formed from sulphur and oxygen, which sulphur dioxide and sulphur trioxide are the 2 most common compounds, their chemical formulas are SO2 and SO3 respectively.
The graph on the right is the blood oxygen graph. Using that and your knowledge of cellular respiration and the relationship between oxygen and carbon dioxide, what can you say about the rate of carbon dioxide production when you exercise?(did it increase or decrease? Did it stay the same? Did it change quickly? Did it change very slowly?)why do you think this happens?
Answers
The pace at which carbon dioxide is produced due to the process of cellular respiration, when you exercise.
The definition of cellular respiration
Cellular respiration is the process by which glucose reacts with oxygen to produce waste materials like carbon dioxide and water as well as the energy in the form of ATP molecules that the cell needs to function.
We are aware that each cell needs energy to function and that each cell is the basic building block of all life. Respiration occurs at the cellular level, which is the lowest level of our body. The opposite of photosynthesis is respiration. Food is made during photosynthesis when water and carbon dioxide are combined with light.
Therefore, we can draw the conclusion that exercise causes a rise in carbon dioxide generation due to the process of cellular respiration.
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The prefrontal cortex is an example of a(n) _____ area of the cerebral cortex because it is involved in higher-level thinking rather than primary motor or sensory functions.
Answers
According to the research, the correct option is association. The prefrontal cortex is an example of association area of the cerebral cortex because it is involved in higher-level thinking rather than primary motor or sensory functions.
What is the prefrontal cortex?It comprises a set of neurons that cluster in the most anterior part of the frontal lobe, to fulfill functions related to working memory, thinking and the control of some emotional states.
In this sense, it is considered an association area since it controls emotions that include aggression, as well as participates in thinking, problem solving, decision making, and information from other brain areas.
Therefore, we can conclude that according to the research, the correct option is association. The prefrontal cortex is an example of association area of the cerebral cortex because it is involved in higher-level thinking rather than primary motor or sensory functions.
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4. A tick has caused a dog to be diagnosed with Lyme disease. What type of relationship
would this suggest that exists between the dog and tick?
A. Mutualism
B. Commensalism
C. Parasitism
D. Predation
Answers
Answer:
Parasitism
Explanation:
The tick is the only one that benefits and the dog is harmed.
The 8th cranial nerve
A) is a sensory nerve that comes from the ear.
B) carries auditory information.
C) carries vestibular information
D) all of the above
E) both A and B
Answers
Complete each sentence by dragging the proper term into the appropriate blank. Olfaction and hearing are processed in the- frontal lobe The provides critical function in motivation, logical reasoning, expression of emotion, and social attitudes parietal lobes receive input from the optic Housing the visual centers, the_ radiation. central sulcus basal ganglia The frontal lobes also include the primary voluntary motor functions. which control temporal lobes The sensations exhibit receipt and association of general body insula The deepest ofthe cerebral lobes, the and least understood. ocdipital lobes is also the smallest motor cortex
Answers
Olfaction and hearing are processed in the TEMPORAL LOBES.
The FRONTAL LOBE provides critical function in motivation, logical reasoning, expression of emotion, and social attitudes.
Housing the visual centers, the OCCIPITAL LOBES receive inputs from the optic radiation.
The frontal lobes also include the primary MOTOR COMPLEX, which controls voluntary motor functions.
The PARIETAL LOBES exhibit receipt and association of general body sensations.
The deepest of the cerebral lobes, the INSULA is also the smallest and least understood.
What is lobes?Frontal lobes are found in the front of the brain. They are incredibly huge and serve numerous purposes. The frontal lobes are thought to be our emotional command center. They have a significant impact on our personality and behavior. They are also engaged in attention and movement control.
Here,
In the TEMPORAL LOBES, odor and hearing are processed.
The FRONTAL LOBE plays an important role in motivation, logical thinking, emotion expression, and social attitudes.
The OCCIPITAL LOBES, which house the visual centers, receive information from the optic radiation.
The main MOTOR COMPLEX, which governs voluntary motor activities, is likewise located in the frontal lobes.
The PARIETAL LOBES are responsible for the reception and connection of general body feelings.
The INSULA is the deepest of the cerebral lobes, as well as the smallest and least known.
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In the absence of growth factor, most animal cells will stop the cell cycle at a restriction point in what stage
Answers
Answer:
the G1 phase ! :]
Explanation:
In the absence of growth factor, most animal cells will stop the cell cycle at a restriction point in G1 phase.
What is growth phase?
Interphase consists of G1 phase (cell growth), observed via way of means of S phase (DNA synthesis), observed via way of means of G2 phase (cell growth).
The G1/S transition is noticeably regulated via way of means of transcription thing p53 if you want to halt the cell cycle while DNA is damaged. It is a "factor of no return" past which the cell is dedicated to dividing; in yeast that is referred to as START and in multicellular eukaryotes it's far termed the limit factor (R-Point).
Thus explained.
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How many combinations of A, C, G, and U exist? Include an equation
Answers
Answer:
64
Explanation:
4 ^ 3 because your first nucleotide can be any of the 4, same with your second, and same with the last nucleotide. 4^3 tells you there are 3 different positions that 4 different bases can be placed.
Hope this helps!
There are 64 possible combinations of nucleotides to form a given amino acid.
The genetic code to add an amino acid is the result of a triplet of nucleotides or codons. In consequence, there are 4^3 possible combinations of nucleotides in a codon.This number (64) gives us the number of different codons that can be found in the genetic code.In conclusion, there are 64 possible combinations of nucleotides to form a given amino acid.
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how water molecules orient themselves?
Answers
what else is needed to make glycine (amino acid) from a molecule of glucose? Where do you think that comes from
Answers
Answer:
certain amino acids are made of different things but heres overall carbon hydrogen oxygen and nitrogen
Explanation:
Glycine is a naturally occurring/formed amino acid found in humans, the difference between glycine and other amino acids is that it can be found in parts of protein structures in humans and can also be found in several foods consumed by humans like Sugar Cane, meat , and dairy products. glycine also has a hydrogen side chain which is absent in other amino acids.
Hence we can conclude that To make glycine ( amino acid ) from glucose ; Oxygen, carbon or hydrogen is needed and they come from the consumption of Protein-rich food and from respiration.
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Describe the similar processes for how all organisms get oxygen from the environment to all of their cells.
Answers
In general, what is the major difference in outcome when a plant cell and an animal cell are placed in hypotonic solutions.
Answers
Answer:
As a result, it also has a higher concentration of water than the cell does. Osmosis draws water out of the solution and into the cells. As a result, plant and animal cells both appear more plump when placed in a hypotonic solution. When viewed under a microscope, the vacuoles of plant cells appear noticeably larger.