I will say that the answer to your his question is letter A
A depressant is the chemical substances that have a calming effect on people. They are also called sedatives or tranquilizers. The correct answer is 2.
This is a easy one! a promoter<span> is a region of DNA that initiates transcription of a particular gene. </span>Promoters<span> are located near the transcription start sites of genes, on the same strand and upstream on the DNA</span>
I’m pretty sure the answer it’s true
Answer:
The correct answer is - amino acids.
Explanation:
Proteins are made up of amino acids by linking together by the peptide bonds therefore the building blocks of the proteins are amino acids and due to amino acids linked together by peptide bond they called polypeptide chain;
Amino acids are small organic molecules form by the process translation and have a central carbon atom with an amino -NH group, a hydrogen atom, a carboxyl group -COOH, and a side chain.
