Distinguish Between D and L Isomers

question 8

Multiple Choice

Distinguish between D and L isomers.

• A) D is right handed and L is left handed.
• B) D is left handed and L is right handed.
• C) D and L only differ in the position of one chiral center.
• D) D is the boat conformation and L is the chair conformation.

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Definitions:

Stretch Marks

Lines or streaks on the skin, often appearing when the skin is stretched rapidly due to growth spurts, weight gain, or pregnancy, indicative of tearing in the dermis.

Dermis

The layer of skin situated beneath the epidermis, containing nerve endings, sweat and sebaceous glands, and blood and lymph vessels.

Papillary Layer

The uppermost layer of the dermis, directly beneath the epidermis, containing loose connective tissue and capillaries, which nourish the epidermis and house touch and pain receptors.

Subcutaneous Layer

A layer of tissue lying immediately under the skin, composed mainly of fat and connective tissues, providing insulation and energy storage.