Below Freezing and Above Boiling, Cells Are Unable to Function

question 24

Multiple Choice

Below freezing and above boiling, cells are unable to function as "liquid machinery." However, most organisms' cells are still limited from functioning throughout this full range of liquid temperatures. At the molecular level in different organisms, cells' ability to vary in their tolerance to temperature, etc., is most closely related to variation in

• A) enzyme activity and protein denaturation.
• B) ATP efficiency.
• C) ability to form glucose polymers.
• D) replication of nucleic acids.
• E) extent of saturation of fatty acids.

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Definitions:

Entitativity

The degree to which a collection of people feels like a cohesive group.

Social Identity

The part of an individual's self-concept derived from perceived membership in social groups.

Social Facilitation

The tendency for people to perform differently when in the presence of others than when alone, typically improving on simple or well-learned tasks.

Ingroup Bias

A tendency to favor groups we belong to more than those that we don’t.