The Most Likely Mechanism Operating a Contractile Vacuole Is

question 39

Multiple Choice

The most likely mechanism operating a contractile vacuole is

• A)proton pumps actively moving water.
• B)microtubules actively moving water molecules.
• C)sodium pumps keeping the sodium ions on the outside of the membrane.
• D)simple osmosis of water.
• E)proton pumps forming an ion gradient.

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Definitions:

Selling

The process of promoting and transferring goods or services to customers in exchange for money.

Administrative Expense

Costs related to the general operation of a company, such as salaries of executive officers, legal and corporate office expenses.

Planning Budget

A budget designed for a particular level of activity, used for planning purposes at the beginning of a period.

Spending Variance

The difference between the actual amount spent and the budgeted amount in a specific period.