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.Management Sciences
Category: Nucleo Proteins & Mineral Metabolism
Serum creatine kinase-3 (CK-3) is elevated in_______________?
A. Muscular dystrophy
B. Myocardial infarction
C. Alcoholic cirrhosis
D. Brain tumours
Restriction endonuclease cleaves______________?
A. Double stranded DNA
B. SIngle stranded DNA
C. SIngle stranded RNA
D. Polypeptide
Nonsense codons bring about__________________?
A. Elongation of polypeptide chain
B. Pre-translational modification of protein
C. Initiation of protein synthesis
D. Termination of protein synthesis
On complete hydrolysis of DNA we will get all the following except______________?
A. Deoxy pentose sugar
B. Phosphoric acid
C. Adenosine
D. Purine bases
The sigma subunit of prokaryotic RNA polymerase_______________?
A. Binds the antibiotic Rifampicin
B. Is inhibited by a-amanitin
C. Specifically recognizes the promoter site
D. Is part of the core enzyme
Denaturation of double stranded DNA involves_______________?
A. It gets broken down to nucleotides
B. It becomes single stranded reversibly
C. It becomes single stranded irreversibly
D. It becomes double stranded irreversibly
Normal level of serum phosphorous is_____________?
A. 2.5 – 4.5 mgm%
B. 7-9 mgm%
C. 40-50 mgm%
D. 1-2 mgm%
The portion of DNA in Which RNA polymerase binds and starts transcription is called______________?
A. Terminator
B. Anti terminator
C. Operator
D. Promoter region
Normal serum calcium level is_______________?
A. 4-6 mg/dl
B. 9-11 mg/dl
C. 19-21 mg/dl
D. 20-30 mg/dl
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