The pharyngeal arches contribute to the formation of the ____

a. brain and spinal cord
b. heart
c. legs and arms
d. lungs
e. larynx and pharynx


ANSWER: e

Biology & Microbiology

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Sexual fusion brings two haploid cells together to produce a:

A. polyploid cell. B. diploid cell. C. haploid cell. D. None of these choices are correct.

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The greatest volume of blood is found in the:

a. aorta and arteries b. capillaries c. veins d. lungs e. heart

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When a hormone inhibits its own expression, it is called a ____

a. hormone stimulant b. hormone coordinator c. hormone suppressant d. negative feedback loop e. positive feedback loop

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In animal cells, cytokinesis occurs via the formation of a(n) cell plate

__________________ Indicate whether the statement is true or false.

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