The interaction of many separate polypeptide chains determines the ____________________ structure of a protein
molecule. Fill in the blank(s) with the appropriate word(s).
ANSWER: quaternary
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If a scientist is studying the ways that Venus fly-traps have adapted to nutrient-poor substrate, which type of ecology would that be?
a. population ecology b. ecosystem ecology c. organismal ecology d. community ecology
Which molecule is INCORRECTLY matched
with its component part?
a. fat: fatty acid. b. starch: glycerol. c. protein: amino acid. d. glycogen: glucose. e. nucleic acids: nucleotide
Nitrogen is available to plants mostly in the form of _____
A) nitrogen in the atmosphere B) nitrite ions in the soil C) uric acid from animal excretions D) nucleic acids from decomposing plants and animals E) nitrate and ammonium ions in the soil
As population density increases, the chance of
__________ also increases. a. parasitism b. disease c. predation d. competition e. all of these