Explain why a transcription factor must have at least two functional domains

What will be an ideal response?


Transcription factors are modular proteins with at least two functional domains: one binds to DNA in promoters and enhancers, and the other activates transcription.

Biology & Microbiology

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A pollen grain in a plant represents the ________

A. male gametophyte B. female gametophyte C. male sporophyte D. female sporophyte

Biology & Microbiology

Four of the five answers listed below are macronutrients. Select the exception

a. phosphorus b. sulfur c. nitrogen d. copper e. magnesium

Biology & Microbiology

The name “virus” is appropriate because it is derived

from Latin meaning a. small. b. powerful. c. poison. d. dangerous. e. disease.

Biology & Microbiology

Postzygotic isolation barriers prevent

A. a hybrid embryo from developing into a fertile adult. B. fertilization. C. male gametes from joining with female gametes. D. All answers are correct. E. formation of gametes by one of the parents.

Biology & Microbiology