Plant defenses against herbivore grazing include
a. thorns.
b. plant secondary compounds.
c. mobility.
d. both a and b.
d
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Several lineages of extinct ____ were jawless fishes with bony plates and scales and three brain regions (forebrain,
midbrain, and hindbrain).
a. acanthodians b. conodonts c. osteolepiforms d. placoderms e. ostracoderms
The process of a high-energy "donor" molecule physically transferring a phosphate group to ADP is called
A. substrate-level phosphorylation. B. glycolysis. C. oxidative phosphorylation. D. photosynthesis. E. electron transport.
The empirical formula for the structural formula below is
A. COH.
B. C4HO2.
C. CH2O.
D. CHO2.
The "run" in bacterial motility is the result of (clockwise/counterclockwise/whiplike) rotation of the flagella
What will be an ideal response?