Thyroxine and catecholamines are derived from_____________?
(A) Tyrosine
(B) Tryptophan
(C) Alanine
(D) Leucine
Which of the following is present in the plasma but absent in the serum ?
(A) Albumin
(B) Globulin
(C) Lecithin
(D) Firbinogen
Synthesis of protein occurs on__________________?
(A) Mitochondria
(B) Poly ribosomes
(C) Nucleus
(D) Golgi bodies
Which of the following amino acids is quickly converted to tyrosine ?
(A) Arginine
(B) Glycine
(C) Phenylalanine
(D) Leucine
Histidine is converted to histamine by_____________?
(A) Transamination
(B) Hydroxylation
(C) Decarboxylation
(D) Reduction
A mutation that converts an amino acid codon to a stop codon is a_____________?
(A) Nonsense mutation
(B) Transversion
(C) Silent mutation
(D) Frame shift mutation
Decarboxylation of which of the following amino acids results in formation of a vasodilator ?
(A) Valine
(B) Arginine
(C) Histidine
(D) Glutamic acid
A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
(A) Cycline
(B) Calmodulin
(C) Collagen
(D) Kinesin
Ammonia is detoxified in liver to form____________?
(A) Uric acid
(B) Glutamine
(C) Creatinine
(D) Urea