Which of the Following Molecules Is Polar

question 22

Multiple Choice

Which of the following molecules is polar?

• A)CH₄
• B)C₂H₅COOH
• C)C₃H₇OH
• D)C₃H₇OH and C₂H₅COOH are polar molecules.

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Definitions:

Adhering Junctions

Cell-to-cell junctions that mechanically attach the cytoskeleton of a cell to that of another, playing a key role in maintaining tissue integrity.

Desmosomes

Cell structures specialized for cell-to-cell adhesion, found particularly in epithelial and cardiac tissues, helping to resist shearing forces.

Tight Junction

Tight junctions are specialized connections between adjacent cells in animal tissue that create a barrier to prevent the leakage of substances through the space between cells.

Desmosome

A specialized cell structure that functions in cell-to-cell adhesion in animal tissues, providing mechanical strength.