Penicillin ______.

A. is effective against measles
B. is effective against a cold
C. attacks bacterial cell walls
D. two of the above


Answer: C. attacks bacterial cell walls

Biology & Microbiology

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In contrast to bacterial endospores, fungal spores LACK ________ resistance

A) chemical B) desiccation C) heat D) freezing

Biology & Microbiology

True or False. Phylogenetic trees can be used to infer character states of extinct organisms

A. true B. false

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Which of the following represents a reactant or input for the light reaction of photosynthesis?

A. oxygen B. carbon dioxide C. ATP D. NADPH E. H2O

Biology & Microbiology

Baculovirus genomes are 133.9 kb long and encode over 150 genes. This suggests that

A. their protein structures are very complex B. their protein coats consist of very few types of protein subunits C. their genetic material is RNA D. their genetic material is DNA E. they have a small host range

Biology & Microbiology