The Fluid Mosaic Model Proposed by Singer and Nicolson in 1972

question 40

Multiple Choice

The Fluid Mosaic Model proposed by Singer and Nicolson in 1972 included that

• A)the cell membrane was composed of lipids and proteins.
• B)the cell membrane was composed of a phospholipid bilayer between two layers of globular proteins.
• C)the cell membrane was composed of a phospholipid bilayer with globular proteins actually inserted into the bilayer.
• D)the cell membrane was composed of a phospholipid bilayer but the polar ends of the phospholipid molecules were reverseD.

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Definitions:

Bulimia Nervosa

An eating disorder marked by cycles of binge eating followed by behaviors to avoid weight gain, such as self-induced vomiting.

Binge Eating

A disorder characterized by recurrent episodes of eating large quantities of food rapidly and to the point of discomfort, often accompanied by feelings of loss of control.

Anorexia Nervosa

is an eating disorder characterized by an obsessive fear of gaining weight, resulting in severe restrictions on food intake and malnutrition.

Adaptive Thermogenesis

The process by which the body adjusts its metabolism in response to changes in the environment, such as temperature, to regulate body temperature and maintain energy balance.