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    Question

    Which structure layer in some cell types is composed

    mainly of carbohydrates such as cellulose, hemicellulose and lignin in the ratio of 4 : 3 : 3 and some fatty substances such as waxes?
    A cytosol Correct Answer Incorrect Answer
    B Cell Wall Correct Answer Incorrect Answer
    C plasma membrane Correct Answer Incorrect Answer
    D Nuclear envelope Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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