What is one main effect of auxins on plant growth?
A) They reduce growth by inducing leaves to fall.
B) They increase growth by promoting cell elongation.
C) They increase growth by increasing the rate of photosynthesis.
D) Auxins have no effect on plant growth.
Answer: B
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How are RNA hairpin turns related to termination in E. coli?
A) The turns are formed from complementary base pairing and cause separation of the RNA transcript and RNA polymerase. B) A three-base repeat signals a stop sequence, and the RNA transcript is released. C) Release factors bind to sites on the hairpin turn, causing release of the RNA transcript. D) The hairpin turn prevents more nucleoside triphosphates from entering the active site of the enzymes, effectively shutting off the process of polymerization.
Which molecules influence the rate of transcription?
a. RNA polymerase b. regulatory proteins c. exons d. DNA e. promoters
What is a hormone cascade pathway?
What will be an ideal response?
True or False: The quantity of energy released is minimal when the two half reactions' redox couples (E0?) are relatively close to each other
a. TRUE b. FALSE