Which character separates bacteria from archaea?

A. Bacteria do not have a nuclear envelope.
B. Bacteria are unicellular.
C. Bacteria have peptidoglycan in their cell wall.
D. Bacteria have circular chromosomes.


Answer: C. Bacteria have peptidoglycan in their cell wall.

Biology & Microbiology

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Byproduct of photosynthesis The main byproduct of photosynthesis that is essential to most life forms is

a) glucose. b) carbon dioxide. c) chlorophyll. d) oxygen. e) sunlight.

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Environmental change causes the heritable variations in individuals that natural selection acts upon

Indicate whether the statement is true or false

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Substances given off by yeasts during fermentation are

a) alcohol b) carbon dioxide c) organic acids d) all of these

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