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Microbiology
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Enzymes Regulation
See What Others Are Saying!
Question
The inactive protein from of enzyme is
Options
A. apoenzyme
B. enzyme
C. haloenzyme
D. cofactor
Correct Answer
apoenzyme
More questions
1. The bread mold
Rhizopus stolonifer
belongs to which of the following fungal divisions?
Options
A. Ascomycota
B. Deuteromycota
C. Oomycota
D. Zygomycota
Show Answer
Scratch Pad
Discuss
Correct Answer: Zygomycota
2. Which of the following structure is absent in eukaryotic cells?
Options
A. Mitochondria
B. Chloroplasts
C. Golgi structure
D. Mesosome
Show Answer
Scratch Pad
Discuss
Correct Answer: Mesosome
3. The inactive protein from of enzyme is
Options
A. apoenzyme
B. enzyme
C. haloenzyme
D. cofactor
Show Answer
Scratch Pad
Discuss
Correct Answer: apoenzyme
4. Coxsackie virus B3, a subgroup of enteroviruses, commonly causes
Options
A. acute hemorrhagic conjunctivitis
B. muscular dystrophy
C. myocarditis
D. gastroenteritis
Show Answer
Scratch Pad
Discuss
Correct Answer: myocarditis
5. Which of the following plamids do not possess information for self transfer to another cell?
Options
A. Cryptic plasmids
B. Conjugative plasmids
C. Non-conjugative plasmids
D. None of these
Show Answer
Scratch Pad
Discuss
Correct Answer: Non-conjugative plasmids
6. Colonies resembling molar teeth are produced by
Options
A.
Nocardia brasiliensis
B.
N. asteroids
C.
Actinomyces israelii
D.
Actinomadura madurae
Show Answer
Scratch Pad
Discuss
Correct Answer:
Actinomyces israelii
7. Anoxygenic photosynthetic bacteria oxidize
Options
A. water
B. oxgyen
C. sulfide
D. ammonia
Show Answer
Scratch Pad
Discuss
Correct Answer: sulfide
8. The major route for incorporation of ammonia (NH
4
+
) into organic compounds is via
Options
A. reduction of pyruvate or alpha-ketoglutarate by enzymes
B. atmospheric nitrogen fixation
C. oxidation of pyruvate
D. all of these
Show Answer
Scratch Pad
Discuss
Correct Answer: reduction of pyruvate or alpha-ketoglutarate by enzymes
9. RNA that is complementary to a segment of another RNA molecule to which it will bind is known as
Options
A. missense RNA
B. antisense RNA
C. nonsense RNA
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: antisense RNA
10. The enzyme that catalyzes the synthesis of DNA is called
Options
A. DNA polymerase
B. DNA gyrase
C. DNA ligase
D. helicase
Show Answer
Scratch Pad
Discuss
Correct Answer: DNA polymerase
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Transcription
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