Inorganic nitrogen must be converted to ammonia to be used by a cell.
Answer the following statement true (T) or false (F)
True
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The science dealing with classification is called ________.
A. nomenclature B. taxonomy C. identification D. systematics
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?
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
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.