Which of the Following Statements About the Cells of the Mucous

question 9

Multiple Choice

Which of the following statements about the cells of the mucous membrane lining your air tubes is false?

• A)They are cuboidal or columnar in shape.
• B)They manufacture secretory products.
• C)They are stratified squamous epithelial cells.
• D)They carry cilia that sweep mucus up and out of the respiratory system.

Understand the Dobzhansky-Muller model for genetic changes leading to speciation.

Describe the process and models of speciation including allopatric, sympatric, and polyploidy.

Recognize the importance of reproductive isolation in the speciation process.

Explain how genetic diversity and variance affect speciation.

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Definitions:

Osmosis

The movement of water molecules through a semi-permeable membrane from a region of lower solute concentration to a region of higher solute concentration.

Membrane Potentials

The electrical potential difference across a cell's plasma membrane, critical for the propagation of nerve impulses and muscle contraction.

Albumin

A type of protein in the blood plasma responsible for maintaining osmotic pressure in the blood vessels and transporting substances.

Plasma Protein

Proteins found in blood plasma that perform many roles, including clotting, defense against disease, and transport of substances.