Which molecules are needed to cut and copy segments of DNA?


Which molecules are needed to cut and copy segments of DNA?

(1) reproductive hormones

(2) carbohydrates (3) antibodies (4) biological catalysts

Answer and Explanation:

All of the answer choices are molecules in our body. Let's look at the definition of each choice one at a time. Reproductive hormones such as testosterone and estrogen function to regulate reproductive functions such as menstrual cycle, sperm production etc.

Carbohydrates are molecules from which our bodies derive energy in the form of ATP.

Antibodies protect our bodies from the invasion of foreign particles (pathogens)

Biological catalysts, or enzymes help our body speed up and perform all of the reactions that need to be done such as cutting and copying DNA. Therefore, choice (4) is the correct answer choice.

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