What are protocells and why are they considered important to the evolution of life?

What will be an ideal response?


ANSWER: Protocells are the hypothesized precursors of cells that existed billions of years ago.
Protocells would have been organic molecules assembled into aggregates that became
bounded by lipid bilayer membranes. They are considered important because life depends on
chemical reactions occurring in a controlled and sequestered environment.

Biology & Microbiology

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The environment of human skin requires an adaptation for microbes that can tolerate moderately ________ conditions.

A. halophilic B. alkaline C. anaerobic D. thermophilic E. psychrophilic

Biology & Microbiology

The fluorochrome stain used to study a fungus is:

a. calcofluor white. b. acridine orange. c. auramine. d. immunofluorescence.

Biology & Microbiology

Which plant hormone has mostly inhibitory

effects? a. auxin b. gibberellin c. cytokinin d. abscisic acid e. ethylene

Biology & Microbiology

Energy output is indicated by

a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology