NURSING EXAM QUESTIONS
BIOCHEMISTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Starch
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Glycogen
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Cellulose
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Chitin
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Detailed explanation-1: -The plant cell wall is made up of three layers of carbohydrates, such as pectin, cellulose, and hemicellulose, as well as minimal amounts of minerals, that create a connection with structural proteins to form the cell wall.
Detailed explanation-2: -Cellulose is a fiber found in fruits, vegetables, and other plant foods as part of a plant’s cell walls. It’s found in tree bark and a plant’s leaves.
Detailed explanation-3: -The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides. In secondary cell walls, lignin may be deposited.
Detailed explanation-4: -The primary wall is the cellulose-containing layer laid down by cells that are dividing and growing. To allow for cell wall expansion during growth, primary walls are thinner and less rigid than those of cells that have stopped growing.
Detailed explanation-5: -Cellulose is the most significant structural component of plant cell wall. Cellulose, polysaccharide containing repeated unbranched (1-4) D-glucose units, is synthesized at the plasma membrane by the cellulose synthase complex (CSC) from bacteria to plants.