The Cell Wall Polysaccharide Chitin Differs from Cellulose in That

question 74

Multiple Choice

The cell wall polysaccharide chitin differs from cellulose in that it contains

• A) sulfur.
• B) potassium.
• C) phosphorus.
• D) nitrogen.
• E) silica.

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Definitions:

Abiotic

Referring to non-living chemical and physical factors in the environment which affect ecosystems.

Biotic

Relating to or resulting from living things, especially in their ecological relations.

Ecosystems

Communities of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

Pyramid of Biomass

A depiction of the decreasing mass of organisms found as one ascends through the food chain.