Once a virus establishes lysogeny, it may not switch to the lytic cycle at some later time.
Answer the following statement true (T) or false (F)
False
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Name the two elements needed for procedures similar to bacterial transformation to be useful in human gene therapy
What will be an ideal response?
What is an important effect of coastal upwelling? a. It creates a stable water column
b. It provides nutrients for photosynthesis. c. It brings zooplankton to the surface. d. It distributes new sediment.
The letters "D" and "R" are designated to represent what?
a. "D" - phosphate and "R" - ribose sugar b. "D" - ribose or deoxyribose sugars and "R" - nitrogenous bases c. "D" - deoxyribose sugar and "R" - adenine d. "D" - ribose sugar and "R" - deoxyribose sugar e. "D" - deoxyribose sugar and "R" - ribose sugar
On the slopes of the Washington Cascades, ecologists have studied some closely related vole species for decades. Many of these vole species, when they occur on separate mountains, tend to choose very similar seed sizes for food
However, when these species occur together on the same mountain slope, their food choices tend to differ, with some species selecting small seeds and others feeding exclusively on larger seeds. This behavior may be an example of A) intraspecific competition. B) resource partitioning. C) intraspecific range diversion. D) habitat fragmentation. E) niche fragmentation.