What Structures Ensure Electrical Coupling Among Cells

question 15

Multiple Choice

What structures ensure electrical coupling among cells?

• A) Synapses
• B) Gap junctions
• C) Dendrites
• D) Axons
• E) Neurons

Identify sources and effects of air pollution.

Recognize measures to reduce air pollution.

Explain the role of regulations in mitigating air pollution.

Distinguish between outdoor and indoor air pollutants and their health effects.

---

Definitions:

Unitary Elasticity

A situation in economics when a change in the price of a product leads to an equal proportionate change in the quantity demanded or supplied.

Marginal Revenue

The additional income received from selling one more unit of a good or service; it is an important concept for determining the optimal level of output for a company.

Purely Competitive Firm

A company operating in a market where there are many buyers and sellers, the products are homogeneous, and there are no barriers to entry or exit.

Average Revenue

The revenue a company generates per unit of output sold, calculated by dividing total revenue by the number of units sold.