Porin Proteins Form Large, Barrel-Like Channels in the Membrane

question 14

Multiple Choice

Porin proteins form large, barrel-like channels in the membrane.Which of the following statements about these channels is FALSE?

• A)They are made primarily of α helices.
• B)They are made primarily of β sheets.
• C)They cannot form narrow channels.
• D)They have alternating hydrophobic and hydrophilic amino acids.

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Definitions:

MAUT

Multi-Attribute Utility Theory, a decision-making framework that evaluates choices based on multiple criteria.

Image Theory

A descriptive theory of decision making positing that the process consists of two stages: (1) a noncompensatory screening of options against the decision maker’s image of values and future, in which the number of options is reduced to a very small set, and (2) a compensatory choice process (if necessary).

Confirmation Bias

The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.

Wason Selection Task

A logic puzzle that demonstrates the difficulty people have in testing rules in a rational or logical way, often used in the study of deductive reasoning.