A seed that lands in the forest soil is homozygous mutant for the LEAFY (LFY) gene, and as a result does not produce any functional LEAFY protein. What do you predict will happen during the development of this seed?
A. It will fail to germinate.
B. It will germinate and grow vegetatively. It will only develop flowers if it is from a species regulated by the autonomous flowering pathway.
C. It will germinate and immediately produce flowers.
D. It will germinate and grow vegetatively, but will never produce flowers.
Answer: D
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What is the most important factor in explaining why osmosis occurs spontaneously?
A) It leads to an increase in entropy. B) It leads to a decrease in entropy. C) The process is exothermic. D) The process is endothermic. Answer: A
Which of the following helicase superfamilies are not known to contain a RecA-like domain?
A. superfamily 1 B. superfamily 3 C. superfamily 6 D. superfamilies 1 and 3 E. superfamilies 3 and 6
CO2 and H2O are converted to HCO3
? and H+ in the blood of the lungs.
Indicate whether the statement is true or false.Synthesis of a repressible enzyme is stopped by the
A) allosteric transition. B) substrate binding to the repressor. C) corepressor binding to the operator. D) corepressor-repressor complex binding to the operator. E) end product binding to the promoter.