ACT Science exams complete solution
The correct answer is cytosine. The only base that is always found in equal quantities with guanine is its complement, cytosine (recall that the nitrogenous bases in DNA pair, A with T and C with G.) - A nitrogenous base that occurs in DNA in equal quantities with guanine (A) Deoxyribose (B) Ribose (C) Uracil (D) Cytosine (E) Thymine The correct answer is succession. Within a given area, the vegetation changes over time, tending towards the climax type of vegetation for that particular area. (Repeated disturbances, of course, interrupt this process, and may in effect reset the clock, so that succession begins anew.) - The change in plant types inhabiting an area over time, resulting in a climax commu
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