A common structure for proteins that bind DNA is helix-turn-helix

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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You observe that chimps use sticks to collect termites for food. Which of the following would indicate this the use of the stick is a learned behavior?

A. The chimp is the only member of his or her population that exhibits this behavior. B. The chimp prefers eating termites to other types of insects. C. Food is abundant in the chimp's environment. D. Chimpanzees raised in isolation do not use sticks.

Biology & Microbiology

Which vessels allow an actual gas exchange?

a. the capillaries b. the venules c. the arterioles d. the veins

Biology & Microbiology

Polar molecules

A) have an equal distribution of electric charge. B) are always ions. C) have an overall negative electric charge. D) have an unequal distribution of electric charge. E) have an overall positive electric charge.

Biology & Microbiology

Which type of tissue covers body surfaces and lines body cavities?

A. connective tissue B. muscular tissue C. nervous tissue D. vascular tissue E. epithelial tissue

Biology & Microbiology