For the following gene, which mutant likely has lost its enhancer? Mutant # Deletion Region % Transcription WT None 100% 1 1-200 150% 2 250-400 100% 3 500-800 50% 4 950-1100 0%

What will be an ideal response?


mutant 3 (region 500-800)

Biology & Microbiology

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The final electron acceptor of the electron transport chain is:

A. oxygen. B. coenzyme Q. C. NAD+. D. ATP synthase. E. cytochrome C.

Biology & Microbiology

Which type of receptors will be excited by a change in pressure or body position?

a. Photoreceptors b. Chemoreceptors c. Thermoreceptors d. Pain receptors e. Mechanoreceptors

Biology & Microbiology

In a chemical equation, the chemicals to the

left of the arrow are a. products. b. in greater abundance. c. at higher energy levels. d. reactants. e. all of these.

Biology & Microbiology

A chromosome with the centromere located two-thirds of the distance from its end could be classified as

A. submetacentric. B. telocentric. C. metacentric. D. acrocentric. E. either submetacentric or acrocentric.

Biology & Microbiology