Imagine That You Are Studying the Control of Fi- Globin

question 1

Multiple Choice

Imagine that you are studying the control of fi- globin gene expression in immature red blood cells mature red blood cells contain fi- globin protein, but lack a nucleus and, therefore, the fi- globin gene) . If you deleted a sequence of DNA outside the protein- coding region of the fi- globin gene and found that this increased the rate of transcription, the deleted sequence likely functions as an)

• A) enhancer.
• B) promoter.
• C) silencer.
• D) promoter- proximal element.
• E) any of the above.

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Definitions:

Deep Discount Bonds

Bonds that are issued at a significantly lower price than their par value, often with higher yields to compensate for the risk.

Price Volatility

The rate at which the price of a security increases or decreases for a given set of returns, indicative of the risk or uncertainty of the security's value over time.

Reinvestment Risk

The risk of earning less interest or dividends from future investments when existing bonds, stocks, or other income-generating assets mature or are sold.

Macaulay Duration

A measure of the weighted average time until a bond's cash flows are repaid, used in assessing interest rate risk.