Although Absolute Distinctions Between the "Most Evolved" Protobiont and the First

question 80

Multiple Choice

Although absolute distinctions between the "most evolved" protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not

• A)possess a selectively permeable membrane boundary.
• B)perform osmosis.
• C)grow in size.
• D)perform controlled, precise reproduction.
• E)absorb compounds from the external environment.

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Definitions:

Quadriceps Tendon

A tendon that connects the quadriceps muscle to the patella (kneecap) allowing for knee extension.

Blinking

A rapid, involuntary action involving the immediate opening and closing of the eyelids to lubricate and protect the eye.

Meter Stick

A measuring stick one meter long, used for measuring lengths or distances.

Peripheral Nervous System

The portion of the nervous system that consists of nerves and ganglia outside of the brain and spinal cord.