The Rh factor is so named because it was first identified in the

a. rhinoceros.
b. rabbit.
c. raccoon.
d. rhesus monkey
e. rhamphorhynchus


D

Biology & Microbiology

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In a relaxed skeletal muscle _____

A) thick and thin filaments overlap to the greatest extent possible B) sarcomeres are at their shortest length C) calcium is released from the sarcoplasmic reticulum D) the Z lines are farthest apart

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The advantage of having a double circulation is that the ventricles may act as two pumps with an ability to deliver blood at different pressures. Which animals exhibit a "double circulation" and four-chambered hearts? Check all that apply.

_____ humans _____ dogs _____ crocodiles _____ frogs _____ birds _____ turtles

Biology & Microbiology

The central nervous system includes

a. the brain. b. the spinal cord c. interneurons d. all of these. e. a and b only.

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What system is used for excision repair in E. coli, what are its components, and what do they specifically do in the process?

What will be an ideal response?

Biology & Microbiology