Which molecule would be an indicator of fungal contamination in a drug preparation?

A. Deoxyribose
B. Chitin
C. Lignin
D. Collagen
E. Cellulose


Answer: B

Biology & Microbiology

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Which of the following would be attributed to a peroxisomal dysfunction?

A) accumulation of N-acetylglucosamine phosphotransferase B) accumulation of ganglioside GM2 C) accumulation of very long chain fatty acids D) accumulation of glucocerebroside E) accumulation of complex sugars

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Antimicrobial agents that inhibit bacterial growth but generally do not kill the organism are known as:

a. bactericidal. b. antibiotic. c. bacteriostatic. d. antagonistic.

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Identify the stage of mitosis shown in panel D

a. interphase b. prophase c. metaphase d. anaphase e. telophase

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Place the five steps of digestion in most animals with a digestive tube in the proper order

a. absorption ? enzymatic hydrolysis ? mechanical processing ? secretion of enzymes ? elimination b. absorption ? mechanical processing ? enzymatic hydrolysis ? secretion of enzymes ? elimination c. mechanical processing ? absorption ? secretion of enzymes ? enzymatic hydrolysis ? elimination d. mechanical processing ? secretion of enzymes ? enzymatic hydrolysis ? absorption ? elimination e. mechanical processing ? secretion of enzymes ? absorption ? enzymatic hydrolysis ? elimination

Biology & Microbiology