The Phosphate Group on a Phospholipid

question 74

Multiple Choice

The phosphate group on a phospholipid:

• A) enables phospholipids to dissolve in water.
• B) makes the phospholipid saturated.
• C) prevents the digestion of lecithin supplements.
• D) competes with fatty acids.
• E) is an essential nutrient.

---

Definitions:

Macrophages

Macrophages are a type of white blood cell part of the immune system that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.

Natural Killer Cells

A type of lymphocyte (white blood cell) that plays a crucial role in the body's innate immune response by attacking cells infected with viruses or transformed by cancer.

Memory Cells

Immune cells that are formed following an initial immune response and remain in the body, ready to mount a faster and more effective response upon re-exposure to the same antigen.

Specific Immune Responses

See adaptive immune responses. NEW_G