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Fantom [35]
3 years ago
8

I will mark brainliest! The half-life of a radioactive element is the length of time it takes for half of a given amount of the

Biology
2 answers:
Andrew [12]3 years ago
7 0

Answer:

The answer to "the half-life of a radioactive element is the length of time it takes for half of a given amount of the  element to break down, or decay" is true. :)

Brrunno [24]3 years ago
3 0

Answer:

TRUE

Explanation:

Half life is defined as the time that is required by a radioactive element to decay half of its initial concentration. These unstable elements decays continuously over a certain period of time until it becomes a stable one. The half life of every elements differs from one another. It plays an important role in calculating the age of a rock or fossil in the field of radioactivity.

For example, the half life of Carbon-14 is approximately 5700 years and it is suitable for dating geologically recent rocks or fossils.

Thus, the above statement is true.

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3 years ago
Suggest a means by which you could separate mrna from the other types of rna in a eukaryotic cell
jok3333 [9.3K]

A method by which you could separate mRNA from the other types of RNA in a eukaryotic cell is oligo (dT) chromatography.

<h3>What do you mean by mRNA?</h3>

mRNA may be defined as a molecule in cells that holds codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm.

The mRNA can be easily isolated from other types of RNA by the most reliable and convincing method of oligo (dT) chromatography which is the magnetic separation method that bounds oligo (dT) molecules on the surface of paramagnetic beads.

Therefore, a method by which you could separate mRNA from the other types of RNA in a eukaryotic cell is oligo (dT) chromatography.

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