NTRN CH. 6 EXAM QUESTIONS WITH COMPLETE
SOLUTIONS||CURRENT UPDATE!
What is the average protein intake for adults? - DETAILED ANSWER-About 88 grams per day.
What is transamination? - DETAILED ANSWER-Making nonessential amino acids by transferring
an amino group.
What is a dipeptide? - DETAILED ANSWER-Two amino acids linked by a peptide bond.
Why do proteins fold into 3D shapes? - DETAILED ANSWER-Because of attraction and repulsion
between amino acid side chains.
What is protein denaturation? - DETAILED ANSWER-Loss of protein shape and function due to
heat, acid, or agitation.
Give a food example of protein denaturation. - DETAILED ANSWER-Cooked egg white turning
solid.
Where does protein digestion begin? - DETAILED ANSWER-In the stomach.
What does hydrochloric acid do to proteins? - DETAILED ANSWER-Denatures them and activates
pepsin.
, What enzymes break proteins down in the small intestine? - DETAILED ANSWER-Trypsin,
chymotrypsin, and brush border enzymes.
How are amino acids absorbed into the body? - DETAILED ANSWER-By active transport into
mucosal cells.
Why can amino acid supplements be harmful? - DETAILED ANSWER-They interfere with
absorption of other amino acids.
What causes food allergies related to protein? - DETAILED ANSWER-Incomplete protein
digestion triggering immune responses.
What is the amino acid pool? - DETAILED ANSWER-The collection of free amino acids in body
fluids and tissues.
What is protein turnover? - DETAILED ANSWER-Continuous breakdown and synthesis of body
proteins.
What is transcription? - DETAILED ANSWER-Copying DNA into mRNA in the nucleus.
What is translation? - DETAILED ANSWER-Building a polypeptide chain from mRNA using tRNA
at the ribosome.
Name animal-based sources of protein. - DETAILED ANSWER-Meat, eggs, dairy, fish, poultry.
name plant based sources of protein - DETAILED ANSWER-legumes, nuts, seeds, grains,
vegetables
SOLUTIONS||CURRENT UPDATE!
What is the average protein intake for adults? - DETAILED ANSWER-About 88 grams per day.
What is transamination? - DETAILED ANSWER-Making nonessential amino acids by transferring
an amino group.
What is a dipeptide? - DETAILED ANSWER-Two amino acids linked by a peptide bond.
Why do proteins fold into 3D shapes? - DETAILED ANSWER-Because of attraction and repulsion
between amino acid side chains.
What is protein denaturation? - DETAILED ANSWER-Loss of protein shape and function due to
heat, acid, or agitation.
Give a food example of protein denaturation. - DETAILED ANSWER-Cooked egg white turning
solid.
Where does protein digestion begin? - DETAILED ANSWER-In the stomach.
What does hydrochloric acid do to proteins? - DETAILED ANSWER-Denatures them and activates
pepsin.
, What enzymes break proteins down in the small intestine? - DETAILED ANSWER-Trypsin,
chymotrypsin, and brush border enzymes.
How are amino acids absorbed into the body? - DETAILED ANSWER-By active transport into
mucosal cells.
Why can amino acid supplements be harmful? - DETAILED ANSWER-They interfere with
absorption of other amino acids.
What causes food allergies related to protein? - DETAILED ANSWER-Incomplete protein
digestion triggering immune responses.
What is the amino acid pool? - DETAILED ANSWER-The collection of free amino acids in body
fluids and tissues.
What is protein turnover? - DETAILED ANSWER-Continuous breakdown and synthesis of body
proteins.
What is transcription? - DETAILED ANSWER-Copying DNA into mRNA in the nucleus.
What is translation? - DETAILED ANSWER-Building a polypeptide chain from mRNA using tRNA
at the ribosome.
Name animal-based sources of protein. - DETAILED ANSWER-Meat, eggs, dairy, fish, poultry.
name plant based sources of protein - DETAILED ANSWER-legumes, nuts, seeds, grains,
vegetables
