"There Is No Difference in the Weight Between Rats Fed

question 74

Multiple Choice

"There is no difference in the weight between rats fed low-fiber diets and rats fed high-fiber diets." This is an example of a(n) ______.

• A)null hypothesis
• B)alternative hypothesis
• C)directional hypothesis
• D)nondirectional hypothesis

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Definitions:

Myelin

A fatty covering that insulates nerve fibers in the brain, spinal cord, and peripheral nerves, speeding the transmission of nerve impulses.

Action Potential

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane, a process allowing neurons to transmit signals.

Membrane Potential

Voltage difference across a cell membrane.

Potassium

Potassium is a chemical element with the symbol K, necessary for the functioning of all living cells and vital for heart, muscle, and nerve functions.