Which of the following mutations can result in a reduction of β-galactosidase?

a. a mutation in adenylate cyclase

b. a mutation in catabolite activator protein (CAP)

c. a mutation in the CAP site in the lac control region

d. a mutation in the repressor binding site in the operator

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#Question id: 24329

#Unit 4. Cell Communication and Cell Signaling

_______permit the passage of molecules as large as 1.2 nm in diameter (molecules smaller than 1200 Da).

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#Question id: 5081

#Unit 5. Developmental Biology

 The vegetal pole of a frog zygote differs from the animal pole in that ________.

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#Question id: 11869

#General Aptitude

Find the least number which when divided separately by 15, 20, 36 and 48 leaves 3 as remainder in each case.

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#Question id: 3443

#Unit 11. Evolution and Behavior

The evolution of mating systems is most likely affected by

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#Question id: 19898

#Unit 12. Applied Biology

Which one of the following is a transducer-based electrochemical biosensor?