HUN1201 COMPREHENSIVE EXAM 2026
QUESTIONS AND ANSWERS FULL
SOLUTION GRADED A+
●● Amino Acid.
Answer: building blocks of protein; each contain an amino group, an
acid group, a hydrogen atom, and a distinct side group, all attached to a
central carbon atom
●● Peptide.
Answer: short chain of amino acids
●● Peptide Bond.
Answer: a bond that connects the acid end of one amino acid with the
amino end of another, forming a link in a protein chain
●● Denaturation.
Answer: the change in a protein's shape and consequent loss of its
function brought about by heat, agitation, acid, base alcohol, heavy
metals, or other agents
●● What are the functional groups that make up the structure of an
amino acid?.
, Answer: amine and carboxylic acid groups
●● What are the four main structures of proteins?.
Answer: primary, secondary, tertiary, quaternary
●● List the 9 essential amino acids..
Answer: 1. Histidine
2. Isoleucine
3. Leucine
4. Lysine
5. Methionine
6. Phenylalanine
7. Threonine
8. Tryptophan
9. Valine
●● What are the main functions of proteins in the human body?.
Answer: structural, enzymes, hormones, fluid balance, acid-base
balance, transportation, antibodies, energy and glucose
●● Where does protein digestion begin? Describe it..
Answer: the mouth; chewing and crushing moisten protein-rich foods
and mix them with saliva to be swallowed
QUESTIONS AND ANSWERS FULL
SOLUTION GRADED A+
●● Amino Acid.
Answer: building blocks of protein; each contain an amino group, an
acid group, a hydrogen atom, and a distinct side group, all attached to a
central carbon atom
●● Peptide.
Answer: short chain of amino acids
●● Peptide Bond.
Answer: a bond that connects the acid end of one amino acid with the
amino end of another, forming a link in a protein chain
●● Denaturation.
Answer: the change in a protein's shape and consequent loss of its
function brought about by heat, agitation, acid, base alcohol, heavy
metals, or other agents
●● What are the functional groups that make up the structure of an
amino acid?.
, Answer: amine and carboxylic acid groups
●● What are the four main structures of proteins?.
Answer: primary, secondary, tertiary, quaternary
●● List the 9 essential amino acids..
Answer: 1. Histidine
2. Isoleucine
3. Leucine
4. Lysine
5. Methionine
6. Phenylalanine
7. Threonine
8. Tryptophan
9. Valine
●● What are the main functions of proteins in the human body?.
Answer: structural, enzymes, hormones, fluid balance, acid-base
balance, transportation, antibodies, energy and glucose
●● Where does protein digestion begin? Describe it..
Answer: the mouth; chewing and crushing moisten protein-rich foods
and mix them with saliva to be swallowed
