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In-s [12.5K]
3 years ago
7

I will give you brainliest answer!!

Biology
2 answers:
LenaWriter [7]3 years ago
6 0

Answer:

2

Explanation:

because the normal human body cell has 46 chromosomes from the feralization of two sex cells which each contain 23 chromosomes.

Jobisdone [24]3 years ago
3 0

Answer:

\huge\boxed{\sf B.}

Explanation:

Sex cells are egg cell and sperm. These sex cells have half the number of chromosomes than the actual chromosomes. The number of chromosomes in a human body is 46. Half will be 23.

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
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How does the glycolysis reaction catalyzed by GAPDH from T. tenax differ from the reaction carried out in E. coli?
katrin2010 [14]

The difference between the glycolysis reaction catalyzed by GAPDH from T. tenax and by E. coli is that the catalysis by T. tenax forms 3-phosphoglycerate instead of 1, 3-bisphophoglycerate (formed by E. coli catalysis).

Glycolysis is the process of cellular respiration which is common in both aerobic as well as anaerobic organisms. It occurs in the cytoplasm of cell. In glycolysis, breakdown of glucose occurs to form 2 molecules of pyruvate.

GAPDH is the short form for the enzyme Glyceraldehyde-3-Phosphate Dehydrogenase. It is involved in catalyzing the a reaction in glycolysis. The reaction involves the simultaneous phosphorylation and oxidation of glyceraldehyde-3-phosphate to 1,3-biphosphoglycerate.

To know more about glycolysis, here

brainly.com/question/15159050

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3 0
2 years ago
What are the basic shapes into which astronomers classify most galaxies?
kirill [66]
Sprial, elliptical and irregular...
5 0
3 years ago
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Put the following in order from the longest wavelength to the shortest wavelength: ultraviolet, microwaves, x-rays, infrared.
stepan [7]

Answer:

A

Explanation:

7 0
3 years ago
Which of the following are primary lymphoid organs?bone marrow and thymus appendix and spleen lymph nodes and tonsils spleen and
Maurinko [17]

Answer:

The correct answer is bone marrow and thymus

Explanation:

Primary lymphoid organs are bone marrow and thymus. Both organs consist of primary lymphoid tissue where B and T cells are produced.

Lymphocytes are also complete the early phases of maturation in the primary lymphatic organs in the body. In humans, B cells are generated and mature in the bone marrow. However, T cells are produced in the bone marrow and maturation takes place in the thymus.

Thus, the correct answer is the bone marrow and thymus gland.

8 0
3 years ago
How many double-helical DNA molecules will be present in the sperm and egg cells of dogs that are diploid animals that contain 7
AleksAgata [21]

Answer:

39 double-helical DNA molecules will be presenet in sperm and 39 in egg.

Explanation:

Each chromosome is made up of histone protein and a molecule of DNA.

Each cell contain double number of chromosomes (2n) except a few exceptions like sperm (1n) and egg (1n).

Human body cells contain 46 chromosomes while sex cells contain 23 chromosomes because of meiosis. Similarly dog cells contain 78 chromosomes while their gametes i.e egg and sperm each contain 39 chromosomes. The fertilization of sperm and egg will restore the chromosome numbers.

<em>As there is only one double helix DNA present in chromosome, so there would by 39 double helix DNA in sperm and 39 double helix DNA in egg. </em>

3 0
3 years ago
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