Biology

The correct answer is: B.Nucleotides are the building blocks of DNA and RNA.

Here’s why:

Nucleotides are the fundamental units (building blocks) that make up nucleic acids such as DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).

Now, let's look at the other options:

A.Nucleotides are the building blocks of carbohydrates: This is incorrect. Carbohydr...