Mcq Subject: Biochemistry
Melting temperature of DNA is directly proportional to
A. GC Pairing
B. AT Pairing
C. Length of DNA
D. None of the above
View DescriptionComplex polysaccharides are converted to glucose and absorbed by the help of:
A. Na+k+ATPase
B. Sucrase
C. Enterokinase
D. Carboxypeptidase
View DescriptionPhenylketonuria caused by deficiency of
A. Tyrosine transaminase
B. Tyrosine hydroxylase
C. Phenylalanine hydroxylase
D. Phenylketonuria hydroxylase
View DescriptionWhich of the following enzyme uses citrate in fatty acid synthesis?
A. Aconitase
B. Citrate synthase
C. Malic enzyme
D. ATP citrate lyase
View DescriptionAminoacyl t-RNA is not require for –
A. Proline
B. Lysine
C. Hydroxy lysine
D. Methionine
View DescriptionFatty acid synthase complex contain the following enzymes except:
A. Enoyl reductase
B. Ketoacyl reductase
C. Acetyl: CoA carboxylase
D. Dehydratase
View DescriptionThyroid hormone formation involves many steps. Which of the following amino acid is the precursor for thyroxine?
A. Glycine
B. Tyrosine
C. Phenylalanine
D. Iodine
View DescriptionGenetic material is transferred from one bacteria to another by all except
A. Transduction
B. Transformation
C. Transfection
D. Conjugation
View DescriptionIn metabolic alkalosis, which Is true about excretion in urine
A. More of NH3
B. Less of aceto-acetic acid
C. Betahydroxy butyric acid
D. Less ammonia
View DescriptionRegarding glutathione which of the following is/are true:
A. It helps in absorption of ceain amino acids
B. It inactivates some enzymes
C. It helps in membrane transpo
D. All
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