The Directions of Ions as They Move into and Out

question 53

Multiple Choice

The directions of ions as they move into and out of the cell are determined by the

• A) ability of the ions to let go of their water.
• B) ion concentration gradient.
• C) number of channel proteins present.
• D) size and charge of the ions.
• E) presence of specific stimuli to open gated channel proteins.

---

Definitions:

Disability

A physical or mental condition that limits a person's movements, senses, or activities.

GST/HST

Stands for Goods and Services Tax/Harmonized Sales Tax; a value-added tax levied on most goods and services sold for domestic consumption in Canada.

Car Operating Costs

Expenses associated with the use of a car, including fuel, maintenance, insurance, and depreciation.

Tax Reforms

Changes made to tax policies or systems, often aimed at simplifying the tax process, reducing rates, or adjusting tax laws to encourage economic growth or fairness.