Keratinocytes Are an Important Epidermal Cell Because They

question 24

Multiple Choice

Keratinocytes are an important epidermal cell because they .

• A)are a powerful defense against damaging UV rays
• B)are able to reproduce sporadically as needed
• C)produce a fibrous protein that gives the skin much of its protective properties
• D)are able to transform from living cells to plasma membranes and still function

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Definitions:

Haploid Number

The number of chromosomes in a gamete of an organism, representing one complete set of chromosomes.

Nuclear Divisions

Processes such as mitosis and meiosis, where a cell's nucleus divides, leading to the distribution of genetic material into daughter nuclei.

Nuclear Envelope

The double-membraned structure that encloses the nucleus of a cell, separating its contents from the cytoplasm.

Prometaphase

A stage of mitosis where the nuclear envelope breaks down, and the spindle fibers attach to the kinetochores of chromosomes.