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fomenos
3 years ago
15

Are the backbones of the DNA molecule identical in all living things?

Biology
2 answers:
malfutka [58]3 years ago
5 0
I am 50% sure the answer to your question is no
anzhelika [568]3 years ago
3 0

I'm 100% sure its no but if i'm wrong my bad guys :)

but if its yes then great.

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Gel electrophoresis separates DNA molecules based on ___. *
Umnica [9.8K]

Answer:

Size

Explanation:

All DNA is the same charge, It is ONLY size.

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3 years ago
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Minchanka [31]
Weather changes faster
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In experiments where researchers suspect that a hormone may be responsible for a certain physiological effect, they may cut the
irina [24]

Answer:

A) To make sure that the effect is not occuring through actions in the nervous system

Explanation:

In the above scenario, researchers actually studies the effect of hormone to the organ but they are in a situation to study the effect on organ are either hormone base or nervous system base (neurons). For this reason they will cut the neurons to study the effect of hormone on the organ.

So, to check the effect of hormone they should cut the neurons to make sure these effect are not due to actions of nervous system.

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3 years ago
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Proteoglycans are a group of macromolecules formed from: a. proteins and glycosaminoglycans. b. proteases and glycosaminoglycans
Marianna [84]

Answer:

Proteins and polysaccharides.

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Proteoglycans are proteins that are covalently bonded with muco polysaccharidse. Proteoglycans are formed by the bonding between proteins and carbohydrates ( polysaccharides). Proteoglycans can combine with collagen to form cartilage and may affect the stability of a protein.

Thus, the correct answer is option (E).

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3 years ago
sha-ree had been ill for 5 days. When her mother took her to the doctor, the doctor decided not to prescribe an antibiotic. He s
garik1379 [7]
Because the antibiotic would not help stop the virus she would need something else.
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