The Bacterium Vibrio Cholerae Releases a Toxin That Blocks a Channel

question 14

Multiple Choice

The bacterium Vibrio cholerae releases a toxin that blocks a channel protein in the membranes of cells that line the intestine. This toxin prevents the movement of sodium ions from the inside of the intestine into cells. If the sodium ions could not move into the cells, how would this affect the movement of water between the inside of the intestine and the cells?

• A) Water would leave the cells and enter the intestines by facilitated diffusion.
• B) Water would leave the intestines and enter the cells by osmosis.
• C) Water would leave the cells and enter the intestines by osmosis.
• D) The movement of water would not be affected.
• E) Water would leave the intestines and enter the cells by facilitated diffusion.

---

Definitions:

Net Book Value

The value of an asset as recorded on the balance sheet, subtracting accumulated depreciation or amortization from its original cost.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the consumption or wear and tear of the asset.

Carrying Value

Also known as book value, it is the value at which an asset is recognized in the balance sheet after accounting for depreciation, amortization, and impairment charges.

Consolidated Financial Statements

Combined financial statements of a parent company and its subsidiaries, presenting the financial position and results of operations of these separate entities as a single economic entity.