8. Autosomes are _______ chromosomes.

Answers

Answer 1

Answer: Autosomes are non-sex chromosomes, meaning they are non-sex determining chromosomes inside cells. Humans naturally have 46 chromosomes in each body cells; 44 of these are actually autosomes that a person inherits from his/her parents. All persons get 22 autosomes from the mother and the other 22 autosomes will be coming from the father. These autosomes always come in pairs and since everyone has 44 of these autosomes in their cells, it should be noted that there are only 22 types that are obviously numbered from 1 to 22.

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In a population of seals, most of the seals have similar coloring. However, one seal has albinism. This seal is white and is almost completely blind. What is most likely the cause of this difference from the rest of the population?

Answers

The answer is gene mutation.

Albinism is a congenital disorder characterized by a complete or partial absent of pigment in skin, eyes or hair. It is a recessive disorder, which means that parents must not have the disorder. But if both of them carry a recessive allele, and offspring inherit the recessive alleles from mother and father, the offspring will have albinism. Anyway, it is pretty rare, since it is the recessive trait, and most of the offspring will have normal coloring.

Adenosine Triphosphate Living organisms store chemical energy in the form of biomolecules. Organisms transform these biomolecules to other forms of energy when needed. For example, chemical energy is transformed into mechanical energy when a muscle uses energy to move. Adenosine triphosphate (ATP) is the most important biomolecule that provides chemical energy. ATP is like a storage unit of chemical energy for the cell. It’s the most abundant energy-carrying biomolecule in cells. The structure of ATP consists of a nucleotide made of an adenine base, a ribose sugar, and three phosphate groups. ATP releases energy when the second and third phosphate molecules are broken, forming adenosine diphosphate (ADP). ADP can also form adenosine monophosphate (AMP), but this reaction releases less energy than the reaction that converts ATP to ADP.

Answers

Answer:

Adenosine triphosphate (ATP) is an essential biomolecule that stores and provides chemical energy in living organisms. It acts as a "currency" for energy transfer within cells. Let's break down its structure and function:

1. Structure: ATP is composed of three main components:

a. Adenine base: It's a nitrogen-containing molecule that serves as a building block of nucleotides.

b. Ribose sugar: This is a five-carbon sugar molecule that is bonded to the adenine base.

c. Phosphate groups: ATP has three phosphate groups attached to the ribose sugar.

2. Energy Storage: The energy in ATP is stored in the bonds between the phosphate groups. These bonds are high-energy bonds, meaning they contain a lot of potential energy.

3. Energy Release: When the cell needs energy, ATP can be hydrolyzed, or broken down, by removing one phosphate group. This results in the formation of adenosine diphosphate (ADP) and an inorganic phosphate molecule. The breaking of this bond releases energy that can be used by the cell for various processes.

4. Recycling ATP: ADP can be further hydrolyzed to form adenosine monophosphate (AMP) by removing another phosphate group, but this reaction releases less energy compared to the conversion of ATP to ADP. ATP can be regenerated by adding a phosphate group back to ADP through a process called phosphorylation. This recycling process allows ATP to continuously provide energy within the cell.

To summarize, ATP is a molecule that stores and provides chemical energy in cells. It consists of an adenine base, ribose sugar, and three phosphate groups. Energy is released when ATP is converted to ADP by breaking the bond between the second and third phosphate groups. ADP can be further converted to AMP, but with less energy release. Through phosphorylation, ADP can be converted back to ATP, ensuring a continuous supply of energy for cellular process

Which organism would be classified in the same kingdom as the hawk? A.
mold

B.
moss

C.
archaea

D.
earthworm

Answers

D. earthworm would be classified in the same kingdom as the hawk (both animals).

earthworm and hawk both are a part of kingdom Animalia

A protein channel, like the peripheral and integral proteins, is a transport protein that

Answers

A protein channel is a transport protein that helps larger molecules, that would otherwise not be able to diffuse through the membrane of a cell to move in or out of the cell depending on the concentration gradient.

Every year _______ species go extinct.
a. 3
b. 72
c. 1000
d. 20000

Answers

Every year 20,000 species go extinct. Thus, the correct option for this question is D.

What is Species?

Species may be defined as a cluster of organisms that can significantly reproduce with one another in nature in order to produce fertile offspring. It involves identical organisms that interbreed with one another in order to exchange genes. It is responsible for creating fertile organisms.

Species extinction is the ecological force that derives the mechanism of elimination of species from their native environment. This stimulates due to varieties of external influences like lack of food, space, mating selection, involvement of human activities, the action of predators, etc.

So, due to these external influences, it is found in research that approximately 20,000 species go extinct every year.

Therefore, every year 20,000 species go extinct. Thus, the correct option for this question is D.

To learn more about Species extinction, refer to the link:

brainly.com/question/1048615

#SPJ2

Every year 20000 species go extinct. C.20000

What is the total magnification of a microscope with two lenses when one lens has a magnification of 15, and the other lens has a magnification of 30?

Answers

The answer is 450.
It is multiplication of magnifications of both lenses,
thus 15 x 30 = 450

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A measure of the degree to which a characteristic is related to genetic, inherited factors is known as __________.A. genetics B. heritability C. cognitions D. culture-fair

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9. Which of the following best sequences the functions of the digestive system from start to finish? A. Absorption, ingestion, digestion, elimination B. Ingestion, digestion, absorption, elimination C. Elimination, absorption, ingestion, digestion D. Ingestion, absorption, digestion, elimination

8. Some saliva was mixed with water and placed in a test-tube labelled A to which some boiled, cooled starch was added. Two other test-tube B and C were prepared as follows: Test-tube B-water and saliva Test-tube C water and starch. The three test-tube placed in water bah at 37°C and allowed to stand in the water for 5 minutes. A few drops were removed from each test-tube with a piece of glass tubing and tested with iodine solution and Benedict's solution. (a) Which of the test-tubes contained a solution that gave an orange precipitate with Benedict's solution? (1 mark)