A scientist uses radioactive nitrogen to label the nitrogenous bases of the DNA of a cell. Then the DNA is allowed to replicate, and the new strands take up non-radioactive bases. Do one, both, or neither of the daughter cells have radioactive DNA? Explain.

Answers 3

I think yes, because from what i knew. When the DNA replicate, it will be same as the original/mother DNA. so it will both have radioactive DNA.

Just think, if only one DNA have radioactive then it wont be dangerous, but it affect the replication DNA, then its different case and will be dangerous for the body. You must've heard that radioactive can be dangerous for the body.

Sorry if im wrong

Answer:

I would say one..

Explanation:

It says the new strands take u non-radioactive bases.. if he only used the radioactive to label one of them then I would say one..

AI generated Answer

Neither. The only daughter cell to contain radioactive DNA would be the original cell, which will no longer have the radioactive nitrogen present in its daughter cells after replication as the daughter cells will take up non-radioactive bases instead. As the radioactive nitrogen is not passed on to the daughter cells, neither of them would have radioactive DNA. Explained further, when the DNA of a cell is labeled with radioactive nitrogen, this radioactivity is used to identify and trace the behavior of the DNA molecule. During cell replication, the daughter cells take up non-radioactive nitrogen bases from the surrounding environment. Since the radioactive nitrogen is not passed on from the parent cell to its daughter cells, neither of the daughter cells have radioactive DNA. Thus, only the original cell with the labeled DNA would possess radioactive DNA.

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1.3.8 Practice Written Assignment Spanish 2 Semester 2 Answer Key Pleaseeee help???
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B.

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Definition of Incantation: a series of words said as a magic spell or charm.

(Hope this helps, please mark as brainliest)

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relating the sentence to the previous segment

The strategy which would best assist Draya in making the excerpt easier to understand is by relating the sentence to the previous segment

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This refers to the use of logical statements to try and prove a point, make a claim, counterclaims, etc.

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