Exam 17: Amino Acid Metabolism

α-ketoglutarate is a precursor for each of the following,except

In amino acid catabolism the α-amino groups are initially released as ________.

Which of the following amino acids is/are derived from 3-phosphoglycerate?

A Roundup Ready plant is one that has been genetically modified so that an enzyme (EPSP synthase)can no longer bind to the active ingredient (glyphosphate)which is a competitive inhibitor of

Nitric oxide,which can be produced from arginine,is an example of a(n)________.

Which is an important intermediate in the production of bicarbonate ion from the metabolism of glutamine?

The glucose-alanine cycle provides a mechanisms for ________ tissue to eliminate nitrogen and replenish its energy supply.

The proteases responsible for cell death are called ________.They cleave on the carboxyl side of ________ residues.

A patient is experiencing uncontrolled diabetes mellitus with an overproduction of β-hydroxybutyric acid.Which statement is false?

The conversion of tetrahydrofolate to methylene tetrahydrofolate is coupled to which amino acid conversion?

The glucose-alanine cycle provides ________.

The carbon in urea originates from ________.

Nitric oxide functions as a neurotransmitter in the brain.

If an amino acid is glucogenic,it will not be degraded to ________.

Because they lack aspartate kinase and aspartate semialdehyde dehydrogenase,________ cannot synthesize lysine,methionine or threonine.

Glutamate dehydrogenase has different roles in different organisms.Which of these listed is mismatched?

The degradation of which amino acid requires the coenzyme tetrahydrofolate?

Nitric oxide is a very reactive compound.In vivo it reacts with oxygen and water to form nitrates and nitrites within seconds.

Phenylketonuria (PKU)is a disease caused by a defect in ________ formation.

The structure shown below is ________.