Myelination

question 121

Multiple Choice

Myelination:

• A)makes glial cells more efficient at transmitting information
• B)most myelination occurs after the first two years
• C)covers parts of neurons with a layer of fatty tissue
• D)all of the above

---

Definitions:

Risky Securities

Financial instruments carrying a higher potential for loss, often offering greater potential returns to compensate for the increased risk.

Portfolio Variance

A measure of the dispersion of returns of a portfolio, calculated as the weighted average of the covariance of each asset in the portfolio.

Coefficient of Correlation

A statistical measure that indicates the degree to which two variables move in relation to each other, ranging from -1 to 1.