A Normally Harmless Antigen That Causes an Allergic Reaction Is

question 54

True/False

A normally harmless antigen that causes an allergic reaction is called an allergen.

---

Definitions:

Excludable

A characteristic of a good or service that allows owners or producers to prevent others from using it without paying.

Rival In Consumption

A characteristic of a good whereby its use by one person diminishes its availability for use by another person, contrasting with non-rival goods.

Gym Membership

A paid subscription that grants an individual access to a gym's facilities and equipment for a set period of time, promoting physical fitness and health.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they can be used by anyone without preventing others from using them as well.