A muscle that decreases the angle between two bones at a joint is called a(n)
a. flexor.
b. agonist.
c. depressor.
d. antagonist.
e. extensor.
A
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Arthropods _____.
a) have an exoskeleton and paired jointed appendages b) are segmented worms like earthworms and leeches c) have radical symmetry d) are the simplest animals with organs and organ systems
A(n) ________ is a reproductive structure found only in the ascomycetes.
Fill in the blank(s) with the appropriate word(s).
The tube connecting the throat to the stomach:
What will be an ideal response?
You're examining the structure of a newly discovered protein, and you see that it includes lots of a-helices and B-pleated sheet. Your specific observations are of the ______________ structure of the protein, and are the direct results of _____________?
Fill in the blank(s) with the appropriate word(s).