One Factor That Might Limit Sun Exposure And, Therefore, Vitamin

question 57

Multiple Choice

One factor that might limit sun exposure and, therefore, vitamin D synthesis is:

• A)water intake.
• B)veganism.
• C)alcohol consumption.
• D)sunscreen use.
• E)tanning bed use.

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Definitions:

Diffusion

The process by which molecules move from an area of higher concentration to an area of lower concentration, helping in the distribution of substances within and between cells.

Active Transport

A cell's energy-consuming process to move substances across a cell membrane against a concentration gradient.

Diffusion

The movement of molecules from an area of higher concentration to one of lower concentration until equilibrium is reached.

Concentration

Concentration refers to the amount of a substance in a defined space or volume, commonly used in chemistry to denote how much solute is dissolved in a solvent.