In the Fluid Mosaic Model of Cell Membranes, What Does

question 43

Multiple Choice

In the fluid mosaic model of cell membranes, what does the "fluid" part of the model refer to?

• A) the constant movement of the hydrophilic tails in the interior of the membrane
• B) the phospholipid and protein molecules, which move and exchange places within the two layers of phospholipids
• C) the free movement of cholesterol molecules within the membrane
• D) a thin layer of water found sandwiched between the two layers of phospholipids

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Definitions:

Discrimination

Unfair or prejudiced treatment of individuals or groups based on characteristics such as race, gender, age, or sexual orientation.

Neutral Stimulus

A stimulus that initially does not elicit any intrinsic response until it is associated with an unconditioned stimulus in classical conditioning.

Conditioned Stimulus

A conditioned stimulus is a previously neutral stimulus that, after being associated with an unconditioned stimulus, elicits a conditioned response.

Unconditioned Stimulus

In traditional conditioning, a stimulus instinctively and automatically induces a response without the need for previous learning.