Which of the following are examples of pyrimidines?

A) uracil and adenine
B) cytosine and guanine
C) thymine and adenine
D) thymine and guanine
E) cytosine and thymine


E

Biology & Microbiology

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A.  medulla oblongata B.  cerebrum C.  cerebellum D.  thalamus E.  corpus callosum

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____ is when one organism successfully outcompetes another organism and excludes it from a particular area or niche

a. Predation b. Resource partitioning c. Parasitism d. Competitive exclusion e. Commensalism

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Syndrome means

a. a chromosome disorder. b. a simple genetic disease. c. a set of symptoms that occur together. d. an incurable disease. e. a rare inborn defect.

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The hormones of the birth control pill shut down (directly) the

a. anterior pituitary b. posterior pituitary c. ovary d. corpus luteum

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