_______ describes a chromosome that has a centrally-placed centromere. Fill in the blank(s) with the appropriate word(s)


ANS: Metacentric

Biology & Microbiology

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Blood vessels and tiny air sacs within lungs are lined by ________ epithelium

a. simple columnar b. all of the choices c. simple cuboidal d. simple squamous

Biology & Microbiology

In which demographic model is population growth the fastest?

a. preindustrial b. transitional c. industrial d. postindustrial e. agricultural

Biology & Microbiology

The iron-sulfur world hypothesis suggests that organic molecules formed near:a

volcanoes. b. sulfur pools. c. pools of water. d. hydrothermal vents. e. low atmosphere clouds.

Biology & Microbiology

Which of the following statements is true of purulent exudate?

a. It is present in all inflammatory lesions. b. It contains clear, serum-like fluid with small amounts of protein. c. It contains neutrophils, pus, and bacteria. d. It contains fibrinogen and lots of fluid.

Biology & Microbiology