A Cation Has the Opposite Charge from A(n)

question 193

Multiple Choice

A cation has the opposite charge from a(n)

• A) hydrophilic interaction.
• B) anion.
• C) nonpolar bond.
• D) ionic interaction.
• E) complex ion.

---

Definitions:

Adaptive Immunity

The component of the immune system that is characterized by memory and specificity, allowing for an enhanced response to subsequent encounters with antigens.

Memory Cells

Specific cells in the immune system that remember an antigen that the body has previously encountered, allowing a faster and stronger response upon re-exposure.

Macrophages

A type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens.

Natural Killer Cells

A type of lymphocyte part of the innate immune system, responsible for the early defense against infected or cancerous cells by inducing apoptosis.