Fill in the blank. Sucrose, common table sugar, is a dissacharide of an Multiple

Question

Fill in the blank. Sucrose, common table sugar, is a dissacharide of an Multiple choice. Circle ALL correct answers to each question. There may be more than one right answer. Which of the following are homopolysaccharides? A. glycogern B. starch C. chitin D. cellulose Which of th nolo ng are polymers of glicoethat contain d-t0-9) inkage,? A. amylose B. chitin C. amylopectin D. glycogen Which are TRUE concerning a proteoglycan? A. A proteoglycan is the predominant form of stored carbohydrate in a mammal. B. Proteoglycans often contain glycosaminoglycans attached to serine residues. C. Proteoglycans are often found on the cell surface D. Proteoglycans are membrane lipids where the hydrophilic head groups are oligosaccharides. Which of the following amino acid residues is a point of oligosaccharide attachment in glycoproteins? A. Thr B. Gly C. Ser D. Asn The biochemical property of lectins that confers their biological effects is their ability to bind to A. specific oligosaccharides B. specific peptides C. specific lipids D. hydrophobic molecules

Explanation / Answer

Answer:

1). Sucrose, common table sugar, is a disaccharide of glucose and fructose.

2).

A. Glycogen

B. Strach

C. Cellulose

Explanation:

A polysaccharide formed by the monomeric units of a single monosaccharide is called as ahomopolysaccharide. Polysaccharides like Starch, Cellulose and Glycogen are the examples of homopolysaccharides.

3).

A. Amylose

C. Amylopectin

D. Glycogen

Explanation:

Chitin is a linear homopolysaccharide comprised of repeating units of N-acetylglucosamine, modified monosaccharide containing nitrogen and joined through ?(1-4) glycosidic linkages.

4).

A. A Proteoglycan is the predominant form of stored carbohydrate in a mammal

B. Proteoglycans often contain glycosaminoglycans attached to serine residues

C. Proteoglycans are often found on the cell-surface

Explanation:

The glycosphingolipids are plasma membrane lipids in which the hydrophilic head groups are oligosaccharides.

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