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Home ‣ Microbiology ‣ Enzyme Reaction See What Others Are Saying!
- Question
Which of the following is the best evidence for the lock and key theory of enzyme action?
Options- A. Compounds similar in structure to the substrate inhibit enzyme activity
- B. Enzymes are found in living organisms and speed up certain reactions
- C. Enzymes speed up reactions by definite amounts
- D. Enzymes determine the direction of a reaction
- Correct Answer
- Compounds similar in structure to the substrate inhibit enzyme activity
- 1. Algae are classified into 6 groups, technically known as
Options- A. categories
- B. divisions
- C. genera
- D. domains Discuss
- 2. Which of the following is a food infection?
Options- A. Salmonellois
- B. Botulism
- C. Staphylococcal intoxication
- D. None of these Discuss
- 3. The class of immunoglobulin, most abundant in body is
Options- A. IgD
- B. IgE
- C. IgG
- D. IgM Discuss
- 4. The medium required for glutamic acid mainly consist of
Options- A. glucose
- B. molasses
- C. sucrose
- D. lactose Discuss
- 5. Which of the following nucleic acid is present in hepatitis B virus?
Options- A. dsDNA
- B. ssRNA
- C. ssDNA
- D. dsRNA Discuss
- 6. Who discovered transposons (jumping genes)?
Options- A. Abelson
- B. Harvey
- C. McClintock
- D. Griffith Discuss
- 7. Bacteria are
Options- A. saprophytic
- B. symbiotic
- C. hyper parasitic
- D. all of these Discuss
- 8. What is the usual sequence of a Pribnow box?
Options- A. AUAUA
- B. TATAAT
- C. UUUUU
- D. TTGACA Discuss
- 9. Prokaryotic microorganism include
Options- A. protozoa
- B. fungi
- C. bacteria
- D. all of these Discuss
- 10. VDRL test is an example of
Options- A. Tube test
- B. Ring test
- C. Slide test
- D. none of these Discuss
More questions
Correct Answer: divisions
Correct Answer: Salmonellois
Correct Answer: IgG
Correct Answer: glucose
Correct Answer: dsDNA
Correct Answer: McClintock
Correct Answer: saprophytic
Correct Answer: TATAAT
Correct Answer: bacteria
Correct Answer: Slide test
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