Discussion
Home ‣ Microbiology ‣ Enzyme Reaction See What Others Are Saying!
- Question
Hydrogen and oxygen release enormous amounts of energy when they react. Yet, hydrogen and oxygen can be mixed together in a balloon and nothing will happen. Why?
Options- A. Competitive inhibitors are blocking the reaction from occurring in the active site
- B. There must be contaminating elements in the balloon that prohibit the reaction from occurring
- C. The energy of activation to form the transition-state complex is too high to allow the reaction to occur without assistance
- D. all of the above
- Correct Answer
- Competitive inhibitors are blocking the reaction from occurring in the active site
- 1. Amphotericin B and polymyxin interfere with
Options- A. cell wall synthesis
- B. protein synthesis
- C. cell membrane function
- D. DNA function Discuss
- 2. Which of the following genera is included in the family Picorna-viridae?
Options- A. Enterovirus
- B. Rhinovirus
- C. Hepatovirus
- D. All of these Discuss
- 3. An important host defense of human beings is a dense resident microbiota associated with
Options- A. lungs
- B. bladder
- C. uterus
- D. vagina Discuss
- 4. Treponema species from human oral cavity can be selected by using
Options- A. pH of the medium
- B. incubation temperature
- C. cell size and motility
- D. all of these Discuss
- 5. In lactic acid fermentation, the final electron acceptor would be
Options- A. fructose
- B. pyruvate
- C. glucose
- D. acetyl-CoA Discuss
- 6. Teichoic acids are typically found in
Options- A. cell walls of gram positive bacteria
- B. outer membranes of gram positive bacteria
- C. cell walls of gram negative bacteria
- D. outer membranes of gram negative bacteria Discuss
- 7. Which of the following genetic elements carry the genes required for integration into host chromosomes?
Options- A. Replicon
- B. Plasmids
- C. Transposons
- D. Tandons Discuss
- 8. Which of the following genera is included in the family Bacteroi-daceae?
Options- A. Bacteroides
- B. Fusobacterium
- C. Leptotrichia
- D. All of these Discuss
- 9. Which of the following has most heat resistant spores?
Options- A. Clostridium histolyticum
- B. Clostridium perfringens
- C. Bacillus stearothermophilus
- D. Bacillus cereus Discuss
- 10. Which of the following molecule catalyzes the transpeptidation reaction?
Options- A. RNA polymerase
- B. Peptidyl transferase
- C. DNA ligase
- D. DNA polymerase Discuss
More questions
Correct Answer: cell membrane function
Correct Answer: All of these
Correct Answer: vagina
Correct Answer: cell size and motility
Correct Answer: pyruvate
Correct Answer: cell walls of gram positive bacteria
Correct Answer: Transposons
Correct Answer: All of these
Correct Answer: Bacillus stearothermophilus
Correct Answer: Peptidyl transferase
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