AGreen algae usually have a soft cell wall made up of an inner layer of pectose.
BGreen algae usually have a rigid cell wall made of an inner layer of protein and an outer layer of fibre.
CGreen algae usually have a rigid cell wall made of an inner layer of cellulose and an outer layer of pectose.Correct answer
DGreen algae usually have a rigid cell wall made of an inner layer of fat and an outer layer of protein.
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Answer
C. Green algae usually have a rigid cell wall made of an inner layer of cellulose and an outer layer of pectose.
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Explanation
Choice C states the standard introductory green-algal wall description: an inner cellulose layer and an outer pectose layer. Actual wall composition varies among green-algal groups; some lack a conventional cellulose wall.
