Chromatin domains are loops of about _______ base pairs of DNA.

a. 1000
b. 10,000
c. 100,000
d. 1,000,000


Ans: b. 10,000

Biology & Microbiology

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Because prokaryotes do not contain a nucleus, the process of gene regulation occurs in which of the following?

a. ribosome b. cell membrane c. pili d. cytoplasm

Biology & Microbiology

When a blood vessel gets damaged, contractions of smooth muscle referred to as ________ help constrict the vessel to reduce blood flow

A) vascular spasms B) hemostasis C) homeostasis D) formed elements E) endocytosis

Biology & Microbiology

Mitochondria contain their own DNA, separate from that of the rest of the cell

Indicate whether the statement is true or false

Biology & Microbiology

All of the following features are true of primates except

A. they belong to the order containing lemurs, monkeys, and apes. B. they have binocular vision. C. they have prehensile tails. D. they are mammals with grasping fingers and toes.

Biology & Microbiology