Bacterial Cells Are Often Found in Very Hypotonic Environments

question 58

Multiple Choice

Bacterial cells are often found in very hypotonic environments. Which of the following characteristics keeps them from taking in too much water from their environment?

• A) The presence of a cell wall, which allows for a buildup of turgor pressure, preventing additional water from entering the cell
• B) The presence of a cell wall, which allows for a buildup of tonic pressure, preventing additional water from entering the cell
• C) The capacity of the cell to expel water as quickly as it takes it up
• D) The presence of an active water pump
• E) None of the above

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Definitions:

Rust

A type of fungal disease that affects plants, causing reddish-brown spots, or the oxidation of iron and its alloys resulting in reddish-brown flaking coatings.

Iron

A chemical element with symbol Fe, important in biological processes and industrial applications.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is the principal constituent of Earth's hydrosphere and the fluids of most living organisms.

Van Der Waal Interactions

Weak attractions between molecules or parts of molecules that result from transient local partial charges.