You Are Characterizing an Isolated Membrane Protein

question 37

Essay

You are characterizing an isolated membrane protein.The protein is exposed on both sides of the membrane.Over much of the central part of its surface,there are hydrophobic amino acids,while the ends are hydrophilic.It crosses the membrane a number of times.There is an opening in the center of this protein lined by hydrophilic amino acids.What kind of protein is this and what is its probable function?

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Definitions:

Miller-Urey Experiment

A landmark experiment conducted in 1953 that simulated the conditions thought to exist on early Earth, demonstrating that organic compounds could be formed from inorganic compounds.

Lightning

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud or between a cloud and the ground.

Bioremediation

The use of living organisms, typically microbes, to detoxify and restore polluted or degraded environments.

Wastewater Purification

This process involves removing contaminants from wastewater to make it safe for release into the environment or for reuse.