Muscles that act as opposing pairs are____

a. flexors
b. agonists


c. depressors
d. antagonists
e. extensors


ANSWER: d

Biology & Microbiology

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In asexual reproduction, new combinations of genes arise by

a. mutation. b. random segregation of chromosomes into gametes. c. random assortment of gametes. d. crossing over. e. new combinations of genes do not occur.

Biology & Microbiology

In the context of vision, what does accommodation mean?

a. lack of receptor response to continued light signal b. changing the lens shape c. moving the lens closer to or further away from the retina in order to focus the image d. keeping the lens under tension to allow for image focusing e. preventing light from scattering upon entry to the eye

Biology & Microbiology

All the organisms of various species living within a given area constitute a(n)

What will be an ideal response?

Biology & Microbiology

Bone-forming cells are called _____, while cells that dissolve bone, releasing calcium and phosphorus, are _____

osteoclasts; osteoblasts osteocytes; osteoclasts osteoblasts; osteoclasts osteoclasts; osteocytes

Biology & Microbiology