_______ hypothesized that speciation occurred gradually over time.

What will be an ideal response?


Darwin

Biology & Microbiology

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Saprobes are

a. cytoplasmic organelles. b. metabolic by-products. c. organisms that feed on dead bodies. d. parasites of plants. e. an evolutionary dead end.

Biology & Microbiology

Based on your knowledge of human papillomaviruses, human papillomaviruses use reverse transcriptase to integrate in host DNA and replicate which eventually leads to formation of tumours.

a. true b. false

Biology & Microbiology

The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram-positive bacterial cell wall structure is

A. the presence of more peptidoglycan. B. the presence of lipopolysaccharide. C. the predominance of unique, waxy lipids. D. the rapid decolorization during staining. E. All of these choices are correct.

Biology & Microbiology

What is the smallest number of genes present in any known organism?

What will be an ideal response?

Biology & Microbiology