A sigmoidoscopy is used to screen for ____________________. Fill in the blank(s) with the appropriate word(s)


ANSWER: colon cancer

Biology & Microbiology

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Knockout mice with no active copies of the Dvl-1 gene ____

a. were apparently abnormal physically b. displayed normal social behavior c. were not easily startled d. were apparently normal physically and but not socially e. were apparently normal physically, but displayed abnormal social behavior and were easily startled

Biology & Microbiology

Which way do ocean currents circulate in the Northern Hemisphere?

a. counterclockwise b. clockwise c. away from continents

d. toward the shore e. parallel to the direction of the shore

Biology & Microbiology

Antagonistic pairs are what?

What will be an ideal response?

Biology & Microbiology

Bone is composed of

A) living cells that secrete a surrounding matrix. B) a hard composite of phosphate and sodium ions. C) channels containing lymphoid tissue. D) hardened cartilage.

Biology & Microbiology