Questions
22
An amino acid that yields acetoacetyl CoA during the catabolism of its carbon skeleton will be considered
Answer: Ketogenic
23
Which among the following is both glucogenic and ketogenic?
Answer: Isoleucine
27
Which of the following is a true statement?
Answer: Tryptophan and tyrosine are significantly more polar than phenylalanine
29
The two amino acids having R groups with a negative net charge at pH 7.0 are
Answer: Aspartate and glutamate
30
Identify the amino acids containing nonpolar, aliphatic R groups
Answer: Glycine, alanine, leucine
31
Among the 20 standard proteins coding amino acids, which one is least occurs in proteins?
Answer: Tryptophan
35
Which of the following is an example for a bio-plastic?
Answer: Polyaspartate
36
Bacteria prefer to use the codon CGA instead of AGA to code for Arginine. This is an example for _____.
Answer: Nullomers
37
Which amino acid act as the precursor of nucleotide biosynthesis?
Answer: All of these
38
Which of the following amino acid act as excitatory neurotransmitter?
Answer: All of these
