Which of the following genera fix nitrogen nonsymbiotically?

A. Nitrosomonas
B. Nitrobacter
C. Rhizobium
D. Azotobacter


Answer: D

Biology & Microbiology

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Anabolic and catabolic pathways use different cofactors for similar reactions.

Answer the following statement true (T) or false (F)

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What advantages does a complete digestive tract have over a blind-ended gastrovascular cavity?

What will be an ideal response?

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Which of the following substances would be unlikely to function as a coenzyme?

a. a water-soluble vitamin b. a fat soluble vitamin c. glucose d. NAD+ e. FAD

Biology & Microbiology

Which property or properties of life does a virus possess?

A) A virus has order. B) A virus has cells. C) A virus can reproduce on its own. D) All of the above are properties that a virus possesses.

Biology & Microbiology