Pollen grains develop in which structure?
a) the anther
b) the stigma
c) the filament
d) the carpel
Ans: a) the anther
Biology & Microbiology
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What key words does the question contain and what do they mean?
What will be an ideal response?
Biology & Microbiology
Sharks are able to survive having high levels of urea in their cells because
a. urea stabilizes proteins. b. urea does not affect proteins. c. trimethylamine oxide counteracts the negative effects of urea. d. urea counteracts the unfolding of proteins by trimethylamine oxide. e. urea unfolds proteins that were improperly folded by trimethylamine oxide.
Biology & Microbiology
Light rays from each point on an object being viewed are bent by the ____ and ____
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Both pH and temperature affect cells by altering proteins' tertiary structure
a. true b. false
Biology & Microbiology