Placing a ripe apple with other apples that are not ripe will cause the other apples to ripen sooner due to the release of
____.
a. brassinosteroids
b. ethylene
c. auxins
d. oligosaccharins
e. abscisic acid
ANSWER: b
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The first several cleavages after fertilization occur in
a. the uterus. b. the ovary. c. the vagina. d. the oviduct. e. any of these.
If the current trend continues, what do you predict the temperature anomaly will be in 2025?
A) 0 B) 0.6 C) -0.5 D) -0.2
Which of the following is false concerning photoautotrophs?
A) They feed themselves and all heterotrophs. B) They prepare glucose by using sunlight. C) They take carbon as carbondioxide. D) Without them life on earth would still be possible.
Chromatin of eukaryotes is organized into repeating interactions with protein octamers called nucleosomes. Nucleosomes are composed of which class of molecules?
A) H1 histones B) histones C) lipids D) glycoproteins E) nonhistone chromosomal proteins