Suppose That Scientists Developed a Protocell with a Membrane That

question 92

Multiple Choice

Suppose that scientists developed a protocell with a membrane that allowed all molecules to cross in or out of it.Would this membrane serve the function of a cell membrane?

• A) Yes, because it would allow all molecules to cross either way.
• B) Yes, because it would maintain an internal environment in the protocell similar to the external environment.
• C) Yes, because it would form a complete sphere.
• D) No, because it would not maintain an internal environment in the protocell that was different from the external environment.
• E) No, because a cell's membrane is able to keep all molecules from moving across its border.

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Definitions:

Cortex

The outer layer of the cerebrum in the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Forebrain

The anterior part of the brain, responsible for complex behaviors and functions, including thought, emotion, and sensory processing.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Amygdala

A region of the brain within the temporal lobe, crucial for the processing of emotions, especially fear and pleasure.