Chaperone-type proteins that stabilize other proteins in response to environmental stresses such as
salinity, drought, heat, and cold are
a. systemins.
b. phytoalexins.
c. PR proteins.
d. R genes.
e. heat-shock proteins.
E
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Pollinating insects are in part responsible for _____ diversity
A. flowering plant. B. bird. C. predatory insect. D. herbivore. E. none of these
The following is a portion of one half of a DNA strand: CGGATAACGT. If this strand
undergoes transcription and translation, the end result is
a. a protein. b. GCCTATTGCA. c. GCCUAUUGCA. d. CGGAUAACGU
Where did information processing become increasingly centered in terrestrial vertebrates?
A. thalamus B. forebrain C. midbrain D. hindbrain E. medulla oblongata
The fact that the earth does not go up in flames in spite of the richness of oxygen in our environment is related to
which of the following concepts?
a. the activation energy needed to break bonds b. the fact that reactants always have less energy than products c. the first law of thermodynamics d. the second law of thermodynamics e. the abundance of water in our atmosphere which inhibits combustion