Certain Protists Have a Contractile Vacuole, Which Collects and Expels

question 89

Multiple Choice

Certain protists have a contractile vacuole, which collects and expels excess pure water (H₂O) .This is most useful for

• A) slime molds locomoting on dry land.
• B) protists in salt water maintaining a hypotonic internal environment.
• C) dinoflagellates evading predators.
• D) protists in fresh water maintaining a hypertonic internal environment.
• E) radiolarians moving by jet propulsion.

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Definitions:

Nominal Rate of Interest

The stated interest rate on a loan or financial asset, without adjustment for inflation or other factors.

Real Rate of Interest

The inflation-adjusted interest rate, which shows the actual cost of borrowing and the genuine return for lenders or investors.

Inflation Rate

The rate at which prices for all goods and services climb, resulting in a decrease in the ability to purchase.

Holding-Period Return

The return on an investment over the period it is held.