Red cells take up 40%-50% of the total blood volume
Generalized Anxiety Disorder (GAD), Specific phobias, Agoraphobia, Social Anxiety Disorder, Panic Disorder, Separation Anxiety Disorder.
Answer:
This is a picture of an aminoacid chain
Explanation:
In an amino acid chain all amino acids ( for example GLY, VAL, or ARG) are linked by peptide bonds. Long chains, also called polymers, of amino acids are called proteins. The enlarged photo is an example of a structure of an amino acid. They have an amine (-NH2) and carboxyl (-COOH) functional group, along with a side chain (R group), specific to each amino acid.