The use of any chemical in the treatment, relief, or prophylaxis of a disease is called ________.

A. selective toxicity
B. prophylaxis
C. chemotherapy
D. nephrotoxicity
E. synergism


Answer: C

Biology & Microbiology

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In the process of transcription, promoters are specific sequences of ________ that are recognized by ________

A) DNA / DNA polymerase B) RNA / DNA polymerase C) DNA / sigma factors D) RNA / ribosomes

Biology & Microbiology

The genotype of an organism that expresses a dominant trait can be determined by:

A: crossing the organism with a homozygous recessive organism. B: crossing the organism with a heterozygous dominant organism. C: crossing the organism with a homozygous dominant organism. D: observing the phenotype of the progeny from any cross. E: observing the genotype of the progeny from any cross.

Biology & Microbiology

A cancer originated from muscle tissue is called

A. Carcinoma B. Sarcoma C. Lymphoma D. Leukemia

Biology & Microbiology

A modified form of cellulose found in the exoskeletons of insects and crustaceans is known as

A. glycogen B. chitin C. amylose D. starch

Biology & Microbiology