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pychu [463]
3 years ago
7

Question 24

Biology
1 answer:
djverab [1.8K]3 years ago
7 0
NADP is the most abundant acceptor for hydrogen released in the Krebs cycle.
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Explain how the independent alignment of homologs, and also crossing-over during the first meiotic division, each contribute to
BartSMP [9]

Answer: Homologous chromosomes are randomly distributed to daughter cells, this means different chromosomes segregate independently of each other. And they exchange segments of DNA during crossing over. This recombination creates genetic diversity because genes from each parent are exchanged.

Explanation:

Meiosis is a type of cell division that produces gamete cells, which are sex cells (egg and sperm)

Chromosomes that form a pair and are found together are called homologous chromosomes, and they are inherited from each parent. During prophase of meiosis I, the homologous chromosomes exchange segments of DNA in a process called crossing over. This recombination creates genetic diversity because genes from each parent are exchanged. <u>It results in new combinations of genes on each chromosome.</u>

After that, during the anaphase of meiosis I, the two chromosomes line up on the equatorial plane of the cell. Then, they are separated and each will go to a new daughter cell. So homologous chromosomes are randomly distributed to daughter cells, <u>this means different chromosomes segregate independently of each other.</u>

3 0
3 years ago
*PLS HELP ME**
Talja [164]

Answer:

How many word tho ?

Explanation:

8 0
2 years ago
Explain why DNA is called a molecular clock.
hammer [34]

The molecular clock is a figurative term for a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged. The biomolecular data used for such calculations are usually nucleotide sequences for DNA or amino acid sequences for proteins.

Explanation:

5 0
3 years ago
What does it mean to maintain a stable internal environment?
Anna11 [10]

Answer: It means to guide and regulate chemical and physical parameters to keep your body or environment in a constate state for proper functioning.

Explanation: This is called homeostasis. The body has systems in place to monitor its components such as cells, organs and any other molecule needed to maintain life and good health. The body needs to maintain its temperature at 37°C, pH of blood at 7.4, water balance, osmotic pressure, growth rate and tissue repairs whenever it dictates the need, danger of infection or injury.

All of these form an integral part of a healthy living organism and it needs to always be stable, regulated and monitored. This is called maintaining homeostasis.

8 0
2 years ago
answer true or false for each question. no rediculous answers, I will mark brainliest for whichever one is correct
kompoz [17]

Answer:

1. True

2. True

3. False, they have 46

4. False, they inherit traits from both parents

5. True

6. False, rice has 12 pairs of chromsomes and flies have 4 so not all orangisms have the same number of chromosomes

7. True (not too confident with this one though)

8. False, a body cell has 46 while gametes have 23

9. False

10. True

Explanation:

7 0
2 years ago
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