A Young Student Is Trying to Recapitulate an Experiment Discussed

question 100

Multiple Choice

A young student is trying to recapitulate an experiment discussed in the text. She introduces single-celled green algae into a petri dish containing predatory protists. After several generations, what will she observe?

• A)The protists will produce multicellular colonies.
• B)Green algae will form multicellular colonies.
• C)Green algae will remain unicellular (i.e., there is no benefit to forming multicellular structures).
• D)Both protists and green algae will remain unicellular.
• E)None of the answer options is correct.

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Definitions:

Receptor

(1) In cell biology, a molecule on the surface of a

Clathrin

A protein that plays a critical role in the formation of coated vesicles, involved in the transport of molecules within cells.

Amphipathic

Refers to molecules having both hydrophobic (water-repelling) and hydrophilic (water-attracting) parts, enabling interactions with both water and lipids.

Cholesterol

A type of lipid found in the blood that is essential for building cells but can lead to heart disease if levels are too high.