Question

When numbers 1, 2, and 5 form together they create a —

phosphate group

cytosine

covalent hydrogen bond

nucleotide

Answers

GPT-4o mini
When the numbers 1, 2, and 5 form together, they create a **nucleotide**.

In the context of biochemistry, a nucleotide consists of a phosphate group (which can be denoted as 1), a sugar (usually ribose or deoxyribose), and a nitrogenous base (such as adenine, cytosine, guanine, or thymine).

So while "nucleotide" is the correct answer, none of the individual components (like the phosphate group or the bases) alone can define the whole structure represented by the numbers 1, 2, and 5 together in this context.