Chromosomes first become visible during
A. telophase.
B. prophase.
C. anaphase.
D. metaphase.
B. prophase.
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The term “plankton”
a. refers to a taxonomic division of algae. b. is a common term for unicellular organisms that drift or swim weakly in water. c. includes only multicellular forms. d. refers to small aquatic plants. e. would apply to large brown algae.
The genetic switch controlling whether a bacterium enters the lytic or lysogenic cycle relies on the binding of which two proteins?
What will be an ideal response?
The light-dependent reactions take place in the ______.
a) active site b) stoma c) inner mitochondrial compartment d) thylakoid membrane
A DNA probe binds to a particular target DNA based upon which principle?
Degeneracy: any segment of DNA can bind to several different probes Complementarity: the DNA probe binds to a sequence complementary to it. Exclusion: the DNA probe binds everywhere except to the area that is identical to it. Semi-conservation: the DNA probe is incorporated into the new cell after duplication, therefore the original probe always remains. None of the above.