We refer to favorable traits within a population as
a. selections.
b. adaptations.
c. selective.
d. divergent.
e. directional.
B
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Viruses may cause cancer in these three typical ways:
_____ Some viruses encode an oncogene in their genome. _____ A viral genome may integrate into the host chromosome, disrupting a cell cycle gene. _____ Some viral proteins interact with cell cycle regulatory proteins. _____ Viral infection provides large amounts of nutrients, encouraging the cell to divide and proliferate. _____ All viruses promote host cell proliferation, as a way to spread more virus. _____ Cell proliferation is an adaptive response of the host to any viral infection, to outgrow the virus. _____ When a DNAvirus brings extra DNA into the host cell, that signals that S phase is complete. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the link between viruses and cancer? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Moves in the genome through an RNA intermediate
Match the description with the appropriate term.
The valve between "C" and "E" is the ____
a. right AV valve b. pulmonary vein c. left AV valve d. pulmonary valve e. aortic valve
The region where the renal medulla is located
is indicated by a. A. b. B. c. C. d. E. e. both A and B.