The Most Likely Mechanism for Removing Excess Water by Contractile

question 54

Multiple Choice

The most likely mechanism for removing excess water by contractile vacuoles is

• A)simple osmosis of water across the cell membrane.
• B)differential fluid pressure.
• C)reverse osmosis.
• D)a proton pump that also pulls water into the vacuole.
• E)an ampulla that forms suction.

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Definitions:

Sample Size

The number of observations or data points selected from a population for the purpose of statistical analysis, which can influence the accuracy and reliability of results.

Normally Distributed

Describes a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Probability

A measure of the likelihood of occurrence of a particular event or outcome, often expressed as a number between 0 and 1.

NORM.DIST

A function in various statistical software that returns the normal distribution for a specified mean and standard deviation.