If a single stranded RNA virus contains genomic RNA that is identical to the mRNA that it produces, what type of virus is this categorized as?
A. Minus Strand
B. Negative Strand
C. Plus Strand
D. Plus Strand or Positive Strand is acceptable.
E. Positive Strand
Answer: D
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You have isolated a newly discovered virus and are attempting to characterize it. You begin with its genome. You first isolate the virion-producing mRNA from cultured cells infected with the virus
When you compare these mRNA to the viral genome, you find that they are complementary. What does this tell you? A) This virus has a positive-sense genome. B) This virus has a negative-sense genome. C) This virus has an ambisense genome. D) The virus does not use DNA or RNA.
Where is CO2 stored in a CAM plant?
A. in the vacuole B. in mesophyll cells C. in the air spaces between cells D. in epidermal cells E. in stomata
The chewy, stringy cells in celery are which cells?
a. xylem b. collenchyma c. phloem d. sclerenchyma e. parenchyma
Example: Respiration in Lakes
What will be an ideal response?