Amino Acids and Metabolism
Questions covering amino acid properties, biosynthesis, and metabolic pathways in biochemistry
Questions
Question 1 Multiple Choice (Single Answer)
Which of the following amino acid does not exist in either of two enantiomers, L or D form?
- Valine
- Glycine
- Alanine
- Leucine
- Serine
Question 2 Multiple Choice (Single Answer)
Which of the following amino acid is used as flavour enhancer?
- Aspartame
- Lysine
- Threonine
- Glutamate
- 5-hydroxytryptophan
Question 3 Multiple Choice (Single Answer)
Which of the following amino acids are not glucogenic in humans?
- Arginine and histidine
- Tyrosine and tryptophan
- Leucine and lysine
- Glutamate and aspartate
- Isoleucine and threonine
Question 4 Multiple Choice (Single Answer)
Which of the following non-standard amino acid is used by legumes as a defense against herbivores?
- Lanthionine
- Selenocysteine
- Pyrrolysine
- Mimosine
- Eflornithine
Question 5 Multiple Choice (Single Answer)
The final reaction of gluconeogenesis, i.e., the formation of glucose, occurs in which of the following part of cell?
- Lumen of mitochondria
- Cytosol
- Lumen of endoplasmic reticulum
- Membrane of endoplasm reticulum
- Plasma membrane
Question 6 Multiple Choice (Single Answer)
Carnitine is biosynthesized from which of the following amino acids?
- Cysteine and glutamic acid
- Lysine and methionine
- Two alanine residues
- Lysine and glutamic
- lysine and cysteine
Question 7 Multiple Choice (Single Answer)
Which of the following amino acid is a precursor of the neurotransmitter serotonin?
- Tyrosine
- Arginine
- Tryptophan
- Ornithine
- Glycine