14) Which is NOT correctly paired? A) Magnetosome-protection against H202 B) End

Question

14) Which is NOT correctly paired? A) Magnetosome-protection against H202 B) Endospores- reproduction C) Volutin-polyphosphate D) Gas vacuole-buoyancy E) Sulfur granules-energy reserve 15) Endospores or endospore-like structures are produced by A) Bacillues subtilis. B) Clostridium difficile. C) Coxiella barneti. D) all of the above. E) none of the above 16) Endospores are resistant to boiling, UV, chemicals like H02, and desication. Which does NOT contribute to this resistance? A) Ca2 -dipicolinate. B) small-acid soluble proteins C) low water availability D) low DNA/RNA ratio E) all of the above contribute to the resistance 17) NADH is alan)because it non-covalently, loosely binds to enzymes A) apoenzyme B) prosthetic group C) coenzyme D) inorganic cofactor E) apoenzyme 18) Enzyme activity can be affected by the following EXCEPT A) temperature. B) pH. C) substrate concentration. D) amino acid composition of enzyme itself. E) inhibitors 19) Which of the following compounds has the greatest amount of energy for a cell D) O2 A) CO2 B) ATP C) glucose. E) lactic acid. 20) Which is NOT produced during glycolysis? A) NADH B) FADH2 C) pyruvate D) ATP E) All of the above (A-D) are produced.

Explanation / Answer

14. not correctly paired- endospore-reproduction

15. all of the above (Bacillus and Clostridium species usually produce endospores)

16. all of the above ( dipicolinic acid, and low water content are the main contributors)

17. NADH is a coenzyme (prosthetic groups are tightly bound)

18. enzyme activity is affected by the following except amino acid composition of the enzyme itself.

19. glucose has the greatest amount of energy as it produces approximately 32 ATP.

20. FADH2 is not produced in glycolysis.

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