The organization of the lac operon, from upstream to downstream sequences, is represented by:

a. repressor gene -> lacZ -> lacY -> lac A
b. lacZ -> lacY -> lac A
c. lacZ -> lacY -> lac A -> operator -> promoter
d. operator -> promoter -> lacZ -> lacY -> lac A


e. promoter -> operator -> lacZ -> lacY -> lac A


e

Biology & Microbiology

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Indicate whether this statement is TRUE or FALSE.

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Aposematic coloring occurs when ____

a. coloration serves as a disguise b. a harmless species resembles a repellant one c. two or more repellant species resemble one another d. an individual can increase its size when threatened e. repellant species exhibit bright, contrasting patterns

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Which of the following generates the most

energy in the form of ATP?

a. aerobic respiration b. photosynthesis c. alcoholic fermentation d. lactate fermentation e. all generate the same amount, but through different means

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The process by which two molecules covalently bond into a larger one is

a. condensation. b. cleavage. c. functional group transfer. d. electron transfer. e. rearrangement.

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