Human DNA Includes

question 12

Multiple Choice

Human DNA includes

• A) encoding RNA and regulatory sequences that control gene expression.
• B) genes that are transcribed but not translated.
• C) pseudogenes.
• D) remnants of old genes from ancestors.
• E) All answers are correct.

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Definitions:

Hypodermis

The innermost layer of the skin, composed primarily of fat and connective tissues, providing insulation and cushioning for the body.

Reticular Region

The deeper layer of the dermis in the skin, composed of dense irregular connective tissue featuring collagen and elastin fibers.

Papillary Region

The uppermost layer of the dermis, featuring finger-like projections called papillae that increase surface area for nutrient exchange and grip.

Arrector Pili

Small muscles attached to hair follicles in mammals, contraction of which causes the hair to stand on end.