Which of the following substances in plants plays a major reserve function?

Biology

1 answer:

Juliette [100K]3 years ago

7 0

Explanation:

(1)Starch

Carbohydrates are molecules that supply energy and provide support consist mainly of sugars or starches in long chains and rings to form monosaccharide monomers. Inclusive of monosaccharides, disaccharides and polysaccharides (which describes the type of bonding and the degree of complexity of the polymers), their basic makeup comprises C, H, O -with many polar OH groups.

Many long chain polysaccharides are made up of glucose joined by regular 1-4 glycosidic bonds used as energy storage (produced through phtosynthesis) and used for ATP synthesis via respiration, ethyl alcohol fermentation and lactic acid fermentation. Plants are mostly comprised of structural units cellulose and lignin. However, cellulose is their main structural polysaccharide, found within cell walls.

It is made up of special β, 1-4 glycosidic bonds, which give structural polysaccharides their rigid, strong structure; cellulose is not water-soluble and is highly stable. When arranged in α 1-4 glycosidic bonds these molecules are water-soluble and form the stable storage molecule starch. Starch is the main storage reserve in plants- the polymer is produced after glucose production in photosynthesis.

Learn more about Photosynthesis at brainly.com/question/4216541

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