The Proteins That Participate in the Functioning of the Checkpoints

question 27

Multiple Choice

The proteins that participate in the functioning of the checkpoints for cell cycle control are

• A)microtubules.
• B)asters.
• C)histones.
• D)cyclins and cyclin-dependent kinases.
• E)channel proteins.

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Definitions:

Simple Squamous Epithelium

A solitary layer of flattened cells lining areas engaged in diffusion and filtration, including blood vessels and lung air sacs.

Keratinized Epithelium

A type of epithelial tissue that has become hardened or cornified through the incorporation of keratin, often found in the outer layers of the skin, hair, and nails.

Squamous Epithelium

A type of epithelial tissue composed of flat, scale-like cells found in various body sites, including the skin and lining of body cavities.

Stratified Epithelium

A type of epithelial tissue composed of multiple layers of cells that serves as a protective barrier on the body's surfaces.