In Biology, One of the Most Common Ways to Determine

question 18

Multiple Choice

In biology, one of the most common ways to determine the function of something is to

• A) purify it.
• B) isolate it.
• C) remove it or prevent it from working.
• D) add more of it.
• E) change it only a little so that it is still functioning, but only partially so.

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Definitions:

Genes

Units of hereditary information composed of DNA. Genes help cells to reproduce themselves and manufacture the proteins that maintain life.

Myelin Sheath

A protective, fatty layer that surrounds the axons of many neurons, facilitating faster transmission of electrical impulses.

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's cell body.

Nerve Impulses

Electrical signals that travel along nerve fibers, enabling communication between the brain and different parts of the body.