Two Eukaryotic Proteins Have One Domain in Common but Are

question 34

Multiple Choice

Two eukaryotic proteins have one domain in common but are otherwise very different. Which of the following processes is most likely to have contributed to this similarity?

• A) gene duplication
• B) alternative splicing
• C) exon shuffling
• D) random point mutations

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Definitions:

Subcutaneous Tissue

A layer of tissue that lies underneath the dermis of the skin, consisting of fat and connective tissues that house larger blood vessels and nerves.

Sebaceous Glands

Glands located in the skin that secrete an oily substance called sebum, involved in lubricating skin and hair.

Elastic Fibers

Components of connective tissue that provide elasticity and flexibility, composed primarily of the protein elastin.

Ultraviolet Light

A form of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, capable of causing chemical reactions and physical burns.