Question

Which of these is NOT one of the 4 chemicals used in DNA?

A. Adrenaline

B. Cytosine

C. Thymine

D. Adenine

Answer 1

A. Adrenaline

Step-by-step explanation:

A is NOT correct because the actual 4 chemicals in DNA are Adenine,Cytosine, Thymine and Guanine.

Adrenaline is NOT part of the 4 chemicals of the DNA, which makes A correct answer.

Answer 2

A. Adrenaline

Step-by-step explanation:

adrenaline is a hormone