What Structure of the Guard Cells Allows Them to Expand

question 18

Multiple Choice

What structure of the guard cells allows them to expand outward instead of spherically when inflated with water?

• A)thick outer walls in contact with epidermal cells
• B)thin inner walls that border the stomata
• C)thin outer walls in contact with epidermal cells
• D)thick inner walls that border the stomata

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Definitions:

Estimate

A rough calculation or judgment of the value, number, quantity, or extent of something.

Subject Attrition

The loss of participants during the course of a study, which can affect the validity and reliability of the research outcomes.

Generalizability

The extent to which the findings of a study can be applied to other populations, settings, or times.

Internal Validity

Internal validity refers to the extent to which a piece of research accurately measures or tests what it set out to measure or test, without being influenced by external factors. High internal validity means that the study design, conduct, and analysis ensure the study's findings are trustworthy.