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Anuta_ua [19.1K]
3 years ago
13

Which of the following does not take place during the G1 or G2 phase of the cell cycle?

Biology
1 answer:
BlackZzzverrR [31]3 years ago
4 0

Answer:

DNA is synthesized.

Explanation:

The cell cycle refers to the series of events that result in the formation of daughter cells from the existing parent cells. It includes the interphase and M phase. The interphase of the cell cycle has three stages: G1, S and G2. The G1 and G2 phases of interphase are marked by growth and normal metabolism.

The G1 phase is followed by the S phase during which the process of DNA replication occurs. The enzymes and other factors become active by the end of the G1 phase and facilitate the synthesis of DNA in the S phase. The cell synthesizes more proteins and prepares itself for cell division during the G2 phase.

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HELP YALL I NEED IT RN
Ipatiy [6.2K]

Answer:

my guess is C

Explanation:

All you have to do is eliminate the ones that don't make sense and c is the only one left

7 0
3 years ago
18. Primary sex characteristics have to do with
CaHeK987 [17]

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5 0
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Why would cladistics classify birds and reptiles in a single class
Papessa [141]

Answer:

Vertebrae

Explanation:

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Hope this helped!

3 0
2 years ago
Could receiving extra chromosomes happen to the tasmanian devil? Why or why not?
Kazeer [188]

Answer:

Yes, extra chromosomes can be received by the tasmanian devil.

Explanation:

Extra chromosomes can be received by the tasmanian devil due to tumor disease in the tasmanian devil. In the beginning the old genome of tasmanian devil has 13 chromosomes but with the tumor disease, it receives one extra chromosome and completed 14 chromosomes. Tumor occurs when the dead cells are not removed from the body and the new ones are formed.

7 0
3 years ago
The cholera toxin, an AB exotoxin, attaches an ADP-ribose group to the host's stimulatory G factor (Gs). The normal function of
SCORPION-xisa [38]
<h2>b) option is correct </h2>

Explanation:

  • Some bacterial toxins cause disease by  altering the activity of G protein, cholera toxin is one of them
  • Cholera toxin catalyse ADP ribosylation of Gs and blocks GTPase activity thus Gs GTP become permanently active
  • Constitutive activation of Gs protein continuously induce adenylyl cyclase, cytosolic cAMP level rises that leads to activation of protein kinase A (pKA)
  • Activated pKA catalyse phosphorylation of two transmembrane proteins of intestinal epithelial cells:
  • CFTR cause excessive outflow of Cl- ion and Na+ H+ exchange cause efflux of Na+ ion, both enters in gut and form Na+ Cl-
  • Na+Cl- leads to outflow of water from the gut, resulting in diarrhea and dehydration and this condition may cause death of organisms due to loss of water and ions  
6 0
3 years ago
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