Determine Which of These Statements Best Summarizes the Cellular Regulation

question 27

Multiple Choice

Determine which of these statements best summarizes the cellular regulation of concentration gradients.

• A) Enzymes are used in the cell to build molecules on one side of membranes to establish concentration gradients.
• B) Passive and active transport both function when vesicles transport materials across the cell membranes.
• C) Membrane phospholipids and proteins regulate transport functions to establish concentration gradients or equilibria.
• D) Selective permeability of the cell membranes results in equal amounts of substances inside and outside the cell.

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Definitions:

Body Mass Index (BMI)

A measure of body fat based on an individual's weight in relation to their height, used to categorize underweight, normal weight, overweight, and obesity.

Overweight

Having more body weight than is considered normal or healthy for one's age, height, and body type.

Cognitive Development

The process by which a child learns to reason, solve problems, and think consciously as they grow older.

Lev Vygotsky

A Russian psychologist who developed theories on social cognitive development, emphasizing the role of social interactions and cultural tools in the development of thinking and learning.