The secretion of tears, milk, sweat, and saliva are functions of what tissue?
a. epithelial
b. loose connective
c. lymphoid
d. nervous
e. adipose
a
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Cytoplasmic organelles composed of two subunits, one large and one small, which are the sites of polypeptide synthesis are called ____________________
Fill in the blank(s) with correct word
The best definitive match for glass is determined by its _____.
Fill in the blank(s) with the appropriate word(s).
Nitrogen fixation consists of the
A) conversion of ammonia to nitrate. B) production of ammonium from decomposing organic matter. C) conversion of N2 to ammonia. D) conversion of N2 to ammonia or nitrate.
The ________ of a phospholipid molecule will seek water, whereas the ________ of the molecules will avoid water
A) hydrophobic portion; hydrophilic portion B) fatty acid; phosphate group C) tail; head D) head; tail