Michaelis-Menten hypothesis states that_____________?
(A) Rate of enzymatic reaction is independent of substrate concentration
(B) Rate of non enzymatic reaction is proportional to substrate concentration
(C) Km is the enzyme substrate complex association constant
(D) Enzyme- substrate complex formation is essential in enzymatic reaction
Most importent compansatory mechanism in metabolic acidosis______________?
(A) Hyperventilation
(B) Increased NH3 excretion by kidneys
(C) Increased urinary phosphates
(D) Increased HCO3 Production
Which cell organelle contains DNA_____________?
(A) Mitochondrion
(B) Golgi body
(C) Endoplasmic reticulum
(D) Centriole
Golgi bodies function are______________?
(A) Protein lipid synthesis
(B) Protein synthesis
(C) Sorting of glycoproteins
(D) None of the above
Ribosomes are usually associated with______________?
(A) Endoplasmic reticulum
(B) Mitochondria
(C) Nucleolus
(D) Plasma membrane
Calcitonin is antagonist_______________?
(A) Parathyroid hormone
(B) Thyroxine
(C) Triidothyronine
(D) Serotonin
Which of the following has a ketogenic effect on livers______________?
(A) Insulin
(B) Glucagon
(C) GH
(D) Androgen
Rate limiting step in adrenaline synthesis is conversion of____________?
(A) Tyrosine to dopa
(B) Phenylalanine to tyrosine
(C) Dopa to dopamine
(D) Dopamine to nor epinephrine
Nor epinephrine is converted to epinephrine by______________?
(A) Dopamine hydroxylase
(B) Dopa decarboxylase
(C) O-methylation
(D) N-methylation
Bile contains______________?
(A) Cholic acid
(B) Chenodeoxycholic acid
(C) Deoxycholic acid
(D) Lithocholic acid
(D) All of the above