Which of the following is not a function of the fruit?
A. protecting seeds
B. aiding in the dispersal of seeds
C. attracting pollinators
C
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Autoinhibition can reduce enzymatic activity by:
A. reducing the quantity of active enzyme in the cell. B. preventing self-assembly of oligomer. C. requiring a ligand for activity. D. requiring an auxiliary protein for activity. E. All of the choices given are true.
Which of the following statements about bacteriophage is false?
A. Bacteriophages do not have a viral envelope. B. A temperate phage can have its DNA integrated into the host chromosome as a prophage. C. Ultraviolet radiation can cause induction. D. A prophage is replicated with the bacterial chromosome and passed to the two new daughter cells. E. Late genes are only expressed during the lysogenic cycle.
Given that phylogenies are based on shared derived characteristics, which of the following traits is useful in generating a phylogeny of species W, X, Y, and Z?
Species W Species X Species Y Species Z Trait 1 A A A A Trait 2 A A B B Trait 3 A B C D A) Trait 1 B) Trait 2 C) Trait 3 D) Traits 1, 2, and 3
Each of the following is a general characteristic of bryophytes except
A) a cellulose cell wall. B) vascular tissue. C) chlorophylls a and b. D) being photosynthetic autotrophs. E) being eukaryotic.