Which of the Following Substances Helps Make Cells of Xylem

question 16

Multiple Choice

Which of the following substances helps make cells of xylem rigid to avoid collapse?

• A)cellulose
• B)lignin
• C)chitin
• D)spongin
• E)parenchyma

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Definitions:

One-way ANOVA

A statistical test that compares the means of three or more independent groups to determine if there is a significant difference between them, based on a single independent variable.

Drug Experimentation

The process of testing and evaluating the effects, safety, and efficacy of pharmaceutical substances in controlled environments.

Alternative Hypothesis

A statement suggesting there is a difference, effect, or relationship for the population from which the sample is drawn.

One-way ANOVA

A statistical test used to compare the means of three or more independent groups to see if there’s a statistically significant difference.