Mcq Subject: Biochemistry
Sulphur of cysteine are not used/utilised in the body for the following process/product:
A. Help in the conversion of cyanide to thiocyanate
B. Thiosulphate formation
C. Introduction of sulphur in methionine
D. Disulphide bond formation between two adjacent peptide
View DescriptionTriacylglycerol and Cholesteryl ester are
A. Non polar lipids
B. Polar lipids
C. Amphipathic lipids
D. None of the above
View DescriptionClassic Galactosemia is due to deficiency of:
A. Hexosaminidase
B. Glucocerebroside
C. Sphingomyelinase
D. Galactose-1-Phosphate-Uridyl-Transferase
View DescriptionHistone acetylation causes
A. Increased Heterochromatin formation
B. Increase Euchromatin formation
C. Methylation of cystine
D. DNA replication
View DescriptionBase substitution of GAC (Asp) to GAG (Glu) is an example ofa) Point mutationb) Silent mutationc) Non-sense mutationd) Conserved mutatione) Non-conserved mutation
A. b
B. c
C. ad
D. ab
View DescriptionCholesterol from the liver is transpoed to the peripheral tissue mainly by:
A. HDL
B. LDL
C. VLDL
D. Chylomicrons
View DescriptionWhich of the following is not true regarding wilson’s disease
A. ATP7B mutation leading to impairment in copper metabolism
B. Most specific screening test is Urinary excretion of copper
C. Gold standard test is liver biopsy
D. KF ring is present in upto 30% cases
View DescriptionBasophilic stippling is due to
A. Ala synthetase deficiency
B. Ferrochelatase deficiency
C. 5' nucleotidase deficiency
D. Ala dehdrogenase deficiency
View DescriptionSubstrate level phosphorylation is seen in reaction catalyzed by which enzyme of citric acid cycle?
A. Pyruvate kinase
B. Succinate thiokinase
C. Phosphoglycerate kinase
D. All of the above
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