Due to Sodium Active Transport in Gills of Freshwater Fish

question 23

Multiple Choice

Due to sodium active transport in gills of freshwater fish, the epithelial cells of the gills

• A) become increasingly negative because sodium ions are negative.
• B) become increasingly positive because sodium ions are positive.
• C) are neutral because each sodium ion is exchanged with a proton.
• D) are neutral because each sodium ion is exchanged with a chloride ion.

---

Definitions:

Running Back

A position in American and Canadian football where the player is part of the offensive team and is responsible for running with the ball.

60 Percent Rule

A guideline suggesting that up to 60% of an individual's gross income should be allocated towards fixed expenses and necessities.

Numerical Dividing Line

A threshold or boundary defined by a specific numerical value or range.

Many

A term indicating a large number of items, people, or entities in a given context.