Inorganic nitrogen must be converted to ammonia to be used by a cell.

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


True

Biology & Microbiology

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The science dealing with classification is called ________.

A. nomenclature B. taxonomy C. identification D. systematics

Biology & Microbiology

The following is a representation of a metabolic pathway that involves genes for enzymes A, B, C, and D: A ? B ? C ? D ? product A mutation in the B gene would result in an accumulation of which gene product?

What will be an ideal response?

Biology & Microbiology

In the successional sere on abandoned fields in the Piedmont of North Carolina, self-inhibition is a common mechanism determining the course of community development. In which of the following species is self-inhibition caused by growth inhibitors produced by decaying roots?

A) horseweed B) aster C) pine D) all of the above

Biology & Microbiology

Animal groups differ in the mechanisms by which heartbeats are initiated. Most arthropods have a

A. neurogenic heart while vertebrates have a myogenic heart. B. myogenic heart while vertebrates have a neurogenic heart. C. autonomous heart while vertebrates have a neurally controlled heart. D. cardiogenic heart while vertebrates have a myogenic heart. E. neurogenic heart while vertebrates have a cardiogenic heart.

Biology & Microbiology