Answer:
type 1
Explanation:
Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, therefore, alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution in which only a single amino acid is altered.
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Lungs in humans and many other species branch out into many tubes until they end in small sacks called alveoli. These alveoli allow oxygen to enter the blood through the capillary beds as pictured above. Alveoli provide much more surface area for the lungs to contact the capillary beds. What is the advantage of lungs with alveoli compared to lungs without alveoli?
Answer:
It provides more surface area for the absorption of oxygen.
Explanation:
The advantage of lungs with alveoli compared to lungs without alveoli is the availability of large surface area for the oxygen absorption. Alveoli allows oxygen from the air to pass into your blood. There are 480 million alveoli are present in human lungs, this large number and small size of alveoli provides lungs a large surface area to volume ratio so we can conclude that the lungs work better with the help of alveoli as instead of lungs without alveoli.
Which of the choices below would determine if a protein will perform a specific function for the cell?
A.The monosaccharides that make up the protein
B. The nucleic acids that make up the protein
C. The shape of the protein
D. The fatty acids that make up the protein
Answer: C
Explanation:
The folding of the protein determines the structure. Each polypeptide has a primary structure all the way up to quartenary structure which allows the protein to fold based on the R groups of the amino acids. If the structure of the protein is disturbed, it won't perform its proper function.
Millicent encountered this organism while walking in the forest. It grows on dead trees, consuming the detritus left by other decomposers. What term best describes this organism?:
A
saprotroph
B
detritivore
C
predator
D
scavenger
MULTIPLE CHOICE
Answer:
A. Saprotroph
Explanation:
A saprotroph is described as an organism that gains nourishment from organic matter that has started to decay.
As per the situation, the organism that grows on dead trees, consuming the detritus left by another decomposer are saprotroph.
What is a saprotroph?
Saprotroph, also called saprophyte or saprobe, are organism that grazes on the nonliving organic matter known as debris at a microscopic level.
Bacteria, fungi, etc are examples of saprotrophs.
Thus, option "A" saprotroph.
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4) Complete the statement below showing the relationship between chromosomes,
genes and DNA.
Histone proteins form the chromosomes when the DNA is inserted into the active sites of the proteins.
need help with this dont know
Answer:
I believe its A: determining how cells could develop from nonliving matter
____________The following codon belongs to an mRNA molecule: TAC.
True
False
Answer:
true
Explanation:
because the TAC does in fact belong to an mRNA molecule
True or false: autosomes are sex chromosomes
Answer:
True is your answer
Explanation:
An autosome is any of the numbered chromosomes, as opposed to the sex chromosomes. Humans have 22 pairs of autosomes and one pair of sex chromosomes (the X and Y). ... That is, Chromosome 1 has approximately 2,800 genes, while chromosome 22 has approximately 750 genes
Answer:
Its true!
Explaination:
How many sheep were required to create Dolly?
Answer:
6
Explanation:
Answer:
The answer is 6 lambs
Explanation:
That's what I got at least
Which step in the process of cellular respiration produces the most ATP?
glycolysis
citric acid cycle
electron transport chain and oxidative phosphorylation
fermentation
Answer:
c. electron transport chain and oxidative phosphorylation
Explanation:
At boxing practice, Nathan works with his coach to improve the strength of his punch.
Nathan says that the reason the bag is heavy is so that it can absorb plenty of elastic potential energy. Is he correct?
Answer Choices
A. Yes, he is correct.
B. No, the bag absorbs thermal energy.
C. No, the bag absorbs gravitational potential energy.
D. No, the bag is heavy so that its mass will only accelerate a small amount when he punches it.
Ok plz help I have this project and it’s already a day overdue but I spend over an hour searching this so if u know plz tell me ok so I need an example of each type of stimuli. The kinds are chemical, mechanical, and thermal
ALSO 50 POINTS AND BRAINLIEST IF YOU ANSWER
Answer:
three types of stimuli—mechanical, thermal, and chemical; some endings respond primarily to one type of stimulation, whereas other endings can detect all types. Chemical substances produced by the body that excite pain receptors include bradykinin, serotonin, and histamine.
Explanation:
Can someone help me with this?
Answer:
the last option is the answer
Which of the following is most helpful for identifying an organism using a dichotomous key?
O Its average lifespan.
0 Its sources of food.
O Its habitat.
O Its physical structures.
Most planets orbit the Sun in an __________________.
A) elliptical path
B) circular path
C) triangular path
D) any random path
how would you describe a phospholipid?
Answer:
The answer would be Hydrophobic tail and a hydrophilic head. Just some background info, this is located in the cell membrane and the cell membrane is made of up something called the Lipid Bilayer. The word "bi" means 2, so it comprise of 2 layers of phospholipids. These 2 layers of phospholipids are called hyrodrohpbic and hydrophilic. The word "phobic" means fear, so they hydrophobic molecules are NOT attracted to water. Hydrophilic molecules, however, ARE attracted to the molecules.
Hope this helps!
Which of the following is not an appropriate unit for momentum?
A. g • cm/min
B. g • m/S
C. km • m/S
D. kg • m/hr
Answer:
Option C us correct.
km • m/S
Explanation:
This is because momentum is result of mass and velocity of an object. Momentum is a vector quantity that is it has magnitude and it's direction is in form of three dimensional.
From the option C, kilometer there is not a unit for mass or velocity it it is a unit for distance, therefore it is incorrect.
How many PAIRS of chromosomes are in a human egg cell?
Answer:
23 pairs, 46 chromosomes in total.
Explanation:
A $10 shirt is on sale for 25% off the price. What is the sale price of the shirt?
Jackie Robinson avoided serious
trouble as a teenager
Answer:
Oh Okay
Explanation:
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The first planet to be discovered using mathematical prediction was:
Neptune
Uranus
Jupiter
Saturn
Answer:
Neptune :)
Explanation:
Answer:
A. Neptune
Explanation:
2. Explain the relationship between genetic variation and an organism's ability to adapt to its environment,
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I think it is Intercalary Option C
are all cells going through the cell cycle at the same speed? why or why not?
Answer: Not all cells move through the cell cycle at the same rate. Proteins that regulate the timing of the cell cycle. Most of the differences in cell cycle duration between species and cells are found in the duration of specific cell cycle phases. DNA replication, for example, generally proceeds faster the simpler the organisms.
According to Darwin's theory of evolution, what causes a struggle for survival in
populations?
Answer:
In a population, more individuals are born than can survive. The available resources in nature are finite (food, water, space, etc.) and the environment is not able to support unlimited growth of a population. This causes an inevitable struggle for existence among individuals (continual struggle for existence).
Explanation:
What is cellular respiration? Use complete sentences to explain how the mass of carbon is conserved during cellular respiration. (10 points)
Answer:
Please give me brainlist.
Explanation:
Cellular respiration is a chemical process which breaks downs a 6 carbons compound into 3 carbon dioxide molecules and water molecules in the presence of oxygen and produces a huge amount of energy in form of ATPs.
Cellular respiration is a chemical process which breaks downs a 6 carbons compound into 3 carbon dioxide molecules and water molecules in the presence of oxygen and produces a huge amount of energy in form of ATPs.
What is Cellular respiration?In the presence of oxygen, cellular respiration is a chemical process that converts a substance with six carbons into three carbon dioxide and water molecules and enormous amounts of energy in the form of ATPs.
Simply put, cellular respiration is a sequence of metabolic processes that happen inside a cell. For usage in the energy-demanding processes of the cell, biochemical energy is extracted from organic materials.
It is stored in energy-carrying biomolecules (such as adenosine triphosphate or ATP).
Therefore, Cellular respiration is a chemical process which breaks downs a 6 carbons compound into 3 carbon dioxide molecules and water molecules in the presence of oxygen and produces a huge amount of energy in form of ATPs.
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does anyone know the answer to this?
Answer:
hello! it is A.
Explanation:
during mitosis the cell divides into two identical daughter cells!
what happens when there is a decrease in carbon dioxide during gas exchange in the body?
Answer:
Increased carbon dioxide means increased blood acidity, while decreased carbon dioxide means increased blood acidity.
The bicarbonate reaction is reversible, which allows bicarbonate to turn back into dissolved carbon dioxide to diffuse from the alveolus.
The image, in which A represents a gene, shows a harmless mutation that has occurred in a species' genome. Which is the most
plausible way that this mutation may eventually benefit the species?
A)
Multiple copies of genes increase gene expression and protein synthesis,
improving fitness
B) One copy of the gene may mutate further and begin to function differently
from the original.
C) Individuals with different copy numbers of the gene will not be able to
mate, resulting in speciation.
D) Individuals with the mutation are not able to produce offspring and will be removed from the gene pool.
Answer:B
Explanation: I took this test
One copy of the gene may mutate further and begin to function differently from the original is the most plausible way that this mutation may eventually benefit the species.
What is Mutation?A mutation is a change to an organism's Genetic sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.
Somatic mutations (which happen in body cells) cannot be passed on to offspring, whereas germline mutations (which happen in eggs and sperm) can.
Our cells constantly undergo mutations, yet surprisingly few of these have an adverse impact on our health. A mutation is never so advantageous in real life.
Therefore, One copy of the gene may mutate further and begin to function differently from the original is the most plausible way that this mutation may eventually benefit the species.
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