Which level of organization is determined by the sequence of amino acids specified by the messenger RNA?
B.
Amino acids that have side chains that are not charged are called _____.
A.
The compound that denatures the quaternary, tertiary and secondary structures of protein in the stomach during digestion is:
A.
The major way that dipeptides and tripeptides enter the enterocytes through the brush border is by:
C.
Glutamine is often added to nutritional mixtures used for hospitalized patients because:
B.
When the diet is lacking in the amino acids alanine and glycine:
D.
Lysine and threonine cannot undergo transamination to an appreciable amount and are said to be _____.
C.
Cholecystokinin and secretin are regulatory peptides in the pancreatic phase of digestion that activate the release of _____.
B.
Chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes are ____.
B.
Which of the following is a nitrogen containing, non-protein compound that performs an important function in the body?
C.
Deamination of amino acids results in the production of toxic _____.
A.
If blood urea nitrogen were high, which organ would you suspect of inadequate function?
D.
When the amino group has been removed from an amino acid, the carbon skeleton or alpha-keto acid may be used for production of _____.
B.
All of the following amino acids are glucogenic EXCEPT:
A.
Maple syrup urine disease is the genetic disease associated with the lack of the:
C.
Which of the following amino acids represent the aromatic amino acids?
D.
Which amino acids are particularly metabolized by brain neurons?
C.
When amino acids are not needed by the liver for protein synthesis, they are predominately _____.
C.
Urinary excretion of which compound is used as an indicator of the amount of existing muscle mass?
C.
Leucine when oxidized in muscle tissue, _____.
B.
What amino acid is the precursor of catecholamines from the adrenal medulla?
B.
GABA, an inhibitory neurotransmitter, is made from which amino acid?
A.
Which of the following is a neurotransmitter?
B.
Which of the following is true regarding protein turnover?
C.
Lysosomes and protasomes are involved with _____.
A.
Chemical score is best described as:
B.
Grains are limited in lysine, threonine or tryptophan. What food group is considered complementary because it supplies these amino acids?
B.
When evaluating protein quality, which of the following measures represents the retention of food nitrogen consumed rather than retention of food nitrogen absorbed?
C.
What is the current Recommended Dietary Allowance for protein for adults?
D.
Which nonessential amino acids are known to be particularly important?
