C-H CHOH 1. What type of monosaccharide is shown here? a. Aldopentose b. Ketopen

Question

C-H CHOH 1. What type of monosaccharide is shown here? a. Aldopentose b. Ketopentose c. Aldohexose d. Ketotetrose e. Aldotetrose 2. Select the dissacharide that contains a -1,4 link: a- Lactose b. Amylose c. Sucrose d. Maltose e. Galactose 3. Select the names of the reduced and oxidized forms of mannose The: a. b. c. d. e. Mannitol & mannonic acid Mannitonic acid and mannol Mannol and mannitonic acid Manic acid and mannol Mannol and manic acid 4. The most highly branched polysaccharide is a. Glycogen b. Amylose c. Amylopectin d. Cellulose e. Maltose 5, Select the dissacharide that contains an ,-1,2 link: a. Sucrose b. Amylose c. Maltose d. Lactose e. Galactose HOCH OH 6. Select the correct description of this structure: a. adopentose, beta anomer b. aldopentose, alpha anomer c. ketopentose, alpha anomer d. ketopentose, beta anomer

Explanation / Answer

1.

Answer: a. Aldopentose

Aldopentose is a monoscaharide containing aldehyde functional group at position 1 with five carbons.

2.

Answer: a. Lactose

Lactose is a disaccharide with the IUPAC name -D-galactopyranosyl-(14)-D-glucose.

Amylose contains (14) glycosidic bonds

Sucrose is -D-glucopyranosyl-(12)--D-fructofuranoside

Maltose has (14) lnkage

Galactose is a monosaccharide.

3.

Answer: a. Mannitol &mannoic acid

Mannitol is reduced form of mannose

Mannoic acid is oxidized form of mannose

4.

Answer: a. Glycogen

Glycogen is a highly branched glucose polymer with (14) glycosidic bonds linked, with (16)-linked branches.

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