Which organelle is NOT a part of the endomembrane system?
a. the endoplasmic reticulum
b. the lysosome
c. the nucleolus
d. the Golgi complex
Ans: c. the nucleolus
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How many net ATP are generated in aerobic
respiration? a. 2 b. 8 c. 10 d. 32 e. 36
The correct operational sequence of the three processes listed below is:
a. glycolysis >> electron transport >> Krebs. b. electron transport >> glycolysis >> Krebs. c. Krebs >> glycolysis >> electron transport. d. electron transport >> Krebs >> glycolysis. e. glycolysis >> Krebs >> electron transport
DNA ligases are enzymes that
A) Catalizes the addition of new nucleotides on 5' -3' strands of DNA. B) Catalizes the addition of new nucleotides on 3' -5 strands of DNA to continuous strand. C) Catalyses the breaking of hydrogen bonds between base pairs in the DNA. D) Catalyses the rewinding of the two DNA molecules after replication.
Oxidase-positive, glucose-positive (oxidatively) gram-negative bacilli that cannot grow on MacConkey agar include:
a. Pseudomonas. b. Vibrio. c. Stenotrophomonas. d. Sphingomonas.