Cartilage is altered to improve flexibility in a program of regular stretching.

a. true
b. false


b. false

Biology & Microbiology

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Which theory of virus evolution hypothesizes that viruses evolved from genetic elements such as transposons?

a. progressive hypothesis b. regressive hypothesis c. self-replicating hypothesis d. endosymbiont hypothesis

Biology & Microbiology

The first person acknowledged to have seen living,

moving cells by using a microscope was a. Robert Hooke. b. Robert Brown. c. Galileo Galilee. d. Rudolf Virchow. e. Anton van Leeuwenhoek.

Biology & Microbiology

External respiration

a. moves carbon dioxide from alveoli into the blood. b. moves oxygen from alveoli into the blood. c. moves oxygen from the blood into alveoli and carbon dioxide in the opposite direction. d. moves oxygen from alveoli into the blood and carbon dioxide in the opposite direction. e. moves both oxygen and carbon dioxide from alveoli into the blood.

Biology & Microbiology

Explain how the hypothalamus regulates body temperature when a person is exposed to warm conditions

What will be an ideal response?

Biology & Microbiology