Prokaryotes and Eukaryotes Are Distinguished Mainly by Whether Internal Membrane-Bound

question 37

Multiple Choice

Prokaryotes and eukaryotes are distinguished mainly by whether internal membrane-bound organelles are present. Are prokaryotes at an evolutionary disadvantage because they do not have organelles?

• A) Yes. Without organelles, prokaryotic cells cannot photosynthesize or respire.
• B) Yes. Without organelles prokaryotes are unable to bring together the reactants needed for biological reactions.
• C) No. Prokaryotic cells are less efficient than eukaryotic cells, but they are still able to carry out the processes necessary to sustain life and reproduction.
• D) No. Eukaryotic organelles are expelled each time the cell divides.

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Definitions:

Headcount

The total number of individuals working for a company, either as full-time employees or in positions equivalent to full-time employment.

Hiring Freeze

A temporary policy to cease or significantly slow down the recruitment of new employees, typically implemented to reduce costs.

Efficiency

The ratio of the output to the input of any system, indicating how well resources are utilized.

Measure

A method or standard used for quantifying attributes or performance in order to assess, compare, or track efficiency or progress.