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Svetradugi [14.3K]
3 years ago
6

Why is it important for a cell to copy the DNA before dividing?

Biology
1 answer:
Nikitich [7]3 years ago
7 0
The answer is DNA needs to copy so that their are two identical daughter cell so the number is three.
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A researcher incubates a cell with radiolabeled amino acids. These amino acids are incorporated into the proteins as they are sy
AURORKA [14]

Answer:

The incorporation of radiolabeled amino acids during protein synthesis occurs when the data shows the organelles involved with protein synthesis, packaging and transport, that is, radioactivity levels would increase first at the rough endoplasmic reticulum, followed by the Golgi, and then the secretory vesicles (option C).

Explanation:

Protein synthesis in the cell occurs when RNA -which contains the sequence of triplets or codons that make up the genetic code- is coupled to ribosomes.

Each codon or triplet, consisting of three nucleotides, will give instructions for specific amino acids to be incorporated into the polypeptide chain that is being synthesized in the rough endoplasmic reticulum.

The Golgi apparatus is responsible for packaging or packaging the newly synthesized proteins in secretory vesicles for transport.

<em>In consecuense, </em><u><em>radioactivity levels would increase in the organelles involved in protein synthesis, packaging and transport, the rough endoplasmic reticulum, Golgi apparatus and secretory vesicles</em></u><em>, respectively.</em>

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Learn more:

Steps of protein synthesis brainly.com/question/884041

8 0
4 years ago
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Scientists use a dichotomous key to help them identify and classify living things. the word dichotomous means
stepladder [879]

Answer:

C

Explanation:

4 0
3 years ago
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Which pathway is affected by an inherited mutation in the atm gene?
Katena32 [7]

The question is incomplete as it does not have the options which are:

photoreactivation

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Answer:

p53 repair pathway

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The DNA double-stranded break is repaired easily as the protein kinase is recruited to the site of the break where it allows the DNA repair machinery to repair the DNA.

The gene also controls the cell growth therefore this gene is important to study cancer.  Since the p53 protein is a suppressor protein which if mutated is repaired by the ATM gene and if the gene becomes mutated then the p53 repair pathway is affected.

Thus, p53 repair pathway is the correct answer.

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3 years ago
The number of electrons in atoms determine an elements ? properties
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Explanation:

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The part of an amino acid that contains nitrogen is called
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Carboxyl Group I think
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