Which of the Following Items Is a Nonfood Source of Vitamin

question 30

Multiple Choice

Which of the following items is a nonfood source of vitamin K?

• A) antibiotics
• B) cold temperatures
• C) intestinal bacteria
• D) sunlight

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Definitions:

Pinocytosis

Process by which vesicle formation brings macromolecules into the cell.

Exocytosis

Process in which an intracellular vesicle fuses with the plasma membrane so that the vesicle’s contents are released outside the cell.

Endocytosis

Process by which substances are moved into the cell from the environment; includes phagocytosis, pinocytosis, and receptor-mediated endocytosis.

Diffusion

The passive movement of particles from an area of high concentration to an area of low concentration.