Answered

Proteins are composed of chains of _____________ which are joined together with peptide bonds.

Afatty acids
Bamino acids
Cnucleic acids
Dmonosaccharides

Verified Answer :

Hey There Noah,

Proteins are composed of chains of _____________ which are joined together with peptide bonds.A) fatty acids 
B) amino acids 
C) nucleic acids 
D) monosaccharides

B) amino acids 

Answer: The correct answer for the fill in the blank is B) Amino acids.

Amino acids are the building blocks of proteins. They consists of amino group (-NH₂) and a carboxylic group (-COOH). They are joined together with the help of peptide bond, which results in the release of a water molecule (H₂O). Long chains of amino acid thus form protein or polypeptide.

The process of protein formation is called translation, which takes place at the site called ribosomes.

Thus, proteins are composed of chains of amino acids.

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