Each of the Following Is True About Plant Pectins Except

question 48

Multiple Choice

Each of the following is true about plant pectins except

• A)pectins are long unbranched polymers.
• B)pectins form the matrix in which cellulose microfibrils are embedded.
• C)pectins bind adjacent cell walls together.
• D)pectins trap and bind water molecules.
• E)pectins have a gel-like consistency.

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Definitions:

Olfactory Cells

Specialized neurons in the nasal cavity that are responsible for the sense of smell.

Pheromones

Chemical substances produced and released into the environment by an animal, affecting the behavior or physiology of others of its species.

Extrinsic Eye Muscles

The six muscles that control the movement of the eye and the eyelid, allowing for complex movements and adjustments in vision.

Ciliary Muscle Activity

The contraction and relaxation of the ciliary muscle, which helps in controlling the lens shape for focusing on objects at varying distances.