Why is lysogeny advantageous to a bacteriophage?
A) It speeds up the viral infection cycle.
B) The genetic material of the bacteriophage is amplified many times over that seen in a lytic phage.
C) It allows the bacteriophage to infect cells it would not normally infect.
D) It allows the bacteriophage to destroy the host cell's DNA.
E) It enables the bacteriophage to take over the cell.
B
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Where would you expect to find proteins responsible for controlling the substances that enter and leave mitochondria?
a. plasma membrane of the cell b. inner mitochondrial membrane
c. outer mitochondrial membrane d. nuclear membrane e. lysosomal membrane
Your cousin learns that she is a carrier for phenylketonuria (PKU). Her husband's biological mother has PKU. She
asks you to explain what this could mean if she and her husband have children and asks what, if anything, could be done to best protect any child that may have. What would you tell her?
What will be an ideal response?Compared with young trees growing out in the open,
young trees growing in a darker forest understory tend to have longer, thinner trunks with less branching. This developmental pattern is principally caused by a. phototropism. b. thigmotropism. c. activated phytochrome being converted to inactive phytochrome. d. inactive phytochrome being converted to active phytochrome. e. none of these.
The releasing site for the hormones of this figure is
indicated by a. A. b. B. c. C. d. D. e. E.