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.Management Sciences
Category: Nucleo Proteins & Mineral Metabolism
Enzymes increase reaction rates by______________?
A. Altering the free energy of the action
B. Inhibiting the backward reaction
C. Enhancing the forward reaction
D. Decreasing the energy of activation
Genes are_____________?
A. Ribonucleic acid
B. Deoxy ribonucleic acid
C. Lipoproteins
D. Chromo proteins
Which of the following process in involved in conversion of DNA to RNA___________?
A. Conjugation
B. Transduction
C. Translocation
D. Transcription
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
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