The core promoter in eukaryotes is usually composed of which two features?

A. transcriptional start site and enhancer
B. transcriptional start site and response elements
C. transcriptional start site and TATA box
D. enhancer and TATA box
E. response elements and TATA box


C. transcriptional start site and TATA box

Biology & Microbiology

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In a wolf pack, the beta male

A) mates with all the females of the pack. B) is subordinate to the alpha female. C) is dominant over all members of the pack. D) is usually closely related to the alpha male.

Biology & Microbiology

Which of the following is a response of our innate defense system?

A) adaptive immunity B) inflammation C) cytotoxic T cell response D) helper T cell response

Biology & Microbiology

Chromosomes first become visible during 

A. prophase I. B. metaphase I. C. anaphase I. D. telophase I.

Biology & Microbiology

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology