BIOMOLECULES AND ENZYMES

BIOLOGY

MONOSACCHARIDES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When the carbonyl group is at C1 (terminal carbon), it is called
A
Aldose
B
Ketose
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Monosaccharides contain carbonyl group hence are classified as aldose or ketose . If the carbonyl group is an aldehyde attached to C1, the monosaccharide is an Aldose. If the carbonyl group is a ketone attached to C2, the monosaccharide is a Ketose. Fructose has 6 carbons in the straight chain.

Detailed explanation-2: -An aldose is a monosaccharide (a simple sugar) with a carbon backbone chain with a carbonyl group on the endmost carbon atom, making it an aldehyde, and hydroxyl groups connected to all the other carbon atoms.

Detailed explanation-3: -Ketoses. If a monosaccharide has a carbonyl function on one of the inner atoms of the carbon chain it is classified as a ketose.

Detailed explanation-4: -Monosaccharides contain carbonyl group hence are classified, as aldose or ketose. The number of carbon atoms present in the monosaccharide molecule is also considered for classification.

Detailed explanation-5: -Ketose. A monosaccharide with a carbonyl group at the C2. Also called ketones. Carbohydrate. Commonly referred to as sugars and starches; are polyhydroxy adlehydes and ketones, or compounds that can by hydrolyzed to them.

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