How many different amino acids make up
proteins?
a. 4
b. 8
c. 12
d. 16
e. 20
E
Biology & Microbiology
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A collection of fibrous intracellular attachment proteins is called a(n)
A) annulus. B) connexon. C) plaque. D) tonofilament. E) both choices C and D
Biology & Microbiology
________ are the adhesive glycoproteins associated with most animal cells that function in calcium-mediated cell-cell recognition and adhesion.
Fill in the blank(s) with the appropriate word(s).
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Irises and other ____ plants flower only when the hours of darkness fall below a critical value, typically in summer
a. short-day b. long-day c. annual d. biennial e. perennial
Biology & Microbiology
A double-ring nitrogenous base found in DNA and RNA
What will be an ideal response?
Biology & Microbiology