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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Oxidase-positive, glucose-positive (oxidatively) gram-negative bacilli that cannot grow on MacConkey agar include:
a. Pseudomonas. b. Vibrio. c. Stenotrophomonas. d. Sphingomonas.
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.