Viruses have high count numbers in the ocean
What will be an ideal response?
-biomass: 90% bacteria and archaea, 5% protists, 5% viruses
-abundance: 94% viruses, 5% bacteria and archaea, 1% protists
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Which one of the following is most correct concerning plant behavior?
A. It is influenced by external factors such as electrical impulses. B. It is influenced by internal factors such as plant growth regulators. C. It is influenced by internal factors such as gravity. D. It is influenced by external factors such as microRNAs. E. None of these choices is correct.
The most common number of carbons in fatty acid hydrocarbon chains of membrane phospholipids is
A) 7. B) 10. C) 16. D) 19. E) 24.
If glucose is the sole energy source, what fraction of the carbon dioxide exhaled by animals is generated by the reactions of the citric acid cycle?
A) 1/6 B) 1/3 C) 2/3 D) all of it
C3 plants are adapted to ________ environmental conditions, whereas C4 plants are adapted to ________ conditions
A) drought; rainy B) high-light; low-light C) temperate; cool and rainy D) wet; dry E) dry; wet