If you were to remove the anthers from a self-incompatible plant, how would this affect the fertilization of its female gametes?
A. Fertilization would continue, as selfincompatible
plants rely on pollen from other
individuals.
B. Fertilization would stop, as selfincompatible
plants are fertilized with pollen
they produce.
C. Fertilization would continue, as selfincompatible
plants are fertilized with pollen
they produce.
D. Fertilization would stop, as selfincompatible
plants rely on pollen from other
individuals.
A
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The primary function of an enzyme or any biological catalyst is to
A. reduce the energy of activation of a reaction. B. increase the rate of a reaction. C. change the direction of a reaction. D. reduced the energy of activation and increase the rate of a reaction. E. increase the rate of a reaction and change the direction of a reaction.
How does the nervous system change with aging?
What will be an ideal response?
A multigene family is composed of _____
A) multiple genes whose products must be coordinately expressed B) genes whose sequences are very similar and that probably arose by duplication C) a gene whose exons can be spliced in a number of different ways D) a highly conserved gene found in a number of different species
The definition of lysogeny is
A) phage DNA is incorporated into host cell DNA. B) lysis of the host cell due to a phage. C) the period during replication when virions are not present. D) when the burst time takes an unusually long time. E) attachment of a phage to a cell.