Unformatted text preview: 37. If we measured a level of respiration >0 in non-germinating seeds in the
Respiration Lab. then they a. were not respiring, but releasing 02 as a byproduct of blosynthesis.
’5? must have been metabolically active, releasing CO2. c. were prematurely photosynthesizing, releasing C02. d. must not yet have made the enzymes needed for respiration. e. were not respiring, but merely consuming CO2 for biosynthesis. 38. Light-sensitive lettuce seeds germinate when treated with a. red light, owing to their phototropin receptors.
b. white light due to a build up of Pr. (3. gibberellic acid, regardless of the light source.
d. a combination of abscissic acid and white light.
e. blue light owing to their phytochrome receptors. 39.The selective advantage of the response demonstrated by our decapitated
coleus plants was (a? the ability to produce offspring following herbivory. . gathering more light energy because they were taller.
c. shoots could gather more light by bending towards it.
d. they end up wasting less energy in producing ﬂowers.
e. they could save energy by not making dormant buds. v WW ’JW WA
1'9 LL? WW9 40. Runners (technically called “stolons”) af’are used for sexual reproduction.
b.’ "promote genetic variation. ’03 are modiﬁed stems for reproduction.
4? require animals for reproduction. e. are typical of potatoes and onions. wWY
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- Spring '08