The genome of which of the following types of animal virus can act directly as mRNA?
A) retroviruses
B) +ssRNA viruses
C) -ssRNA viruses
D) ssDNA viruses
E) dsRNA viruses
B
Bloom's Taxonomy: Comprehension
Section: Viral Replication
Learning Outcome: 13.11
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In the reaction to the right, pyruvate is converted to acetyl-CoA. Which if any of the following statements concerning this reaction is true? There may be more than one correct answer
A. CO2 is the most oxidized and therefore least energetic form of carbon. B. NAD+ is more reduced than NADH. C. NAD+ is an oxidizing agent. D. This is not an oxidation/reduction reaction, that is, no electrons have moved. E. This reaction harnesses the last of the remaining potential energy from glucose.
An atom with more protons than electrons is called a(n) __________. Fill in the blank(s) with the appropriate word(s)
____ is NOT part of photosynthesis.
A. Trapping the sun's energy B. Converting glyceraldehyde-3-phosphate into usable energy C. Splitting water molecules D. Bonding carbon dioxide to ribulose
Which of the following statements regarding plasmodesmata is false?
A) Plasmodesmata penetrate plant cell walls. B) Plasmodesmata carry chemical messages between plant cells. C) Plasmodesmata carry nutrients between plant cells. D) Plasmodesmata are found in plants and animals.