Cell Walls Are Used by Many Different Organisms for Protection

question 37

Multiple Choice

Cell walls are used by many different organisms for protection from their environment and structural support. These cell walls must obviously be insoluble in water, otherwise, they would dissolve the first time the organism got wet. Which of the following carbohydrates would you expect to be the most soluble in water?

• A) cellulose
• B) starch
• C) peptidoglycan
• D) chitin

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Definitions:

P-value

A measure in statistical hypothesis testing that helps determine the significance of results.

Two-Tailed Test

A statistical test of hypothesis where the area of interest spans both tails of the distribution, allowing for investigation of deviations in two opposite directions.

Sample Proportions

The fraction or percentage of observations in a sample that fall into one particular category or class.

Standard Error

The standard deviation of the sampling distribution of a statistic, commonly the mean, indicating the variation of a sample statistic from the population parameter.