Adding Acetyl and Methyl Groups to a Histone Regulates Gene

question 31

Multiple Choice

Adding acetyl and methyl groups to a histone regulates gene expression by _________________.  

• A) increasing the pH of the cell
• B) loosening the DNA wound around the histone
• C) modifying the nucleotides of the promoter region of the DNA molecule
• D) tightening the DNA wound around the histone
• E) enhancing the development of a DNA-RNA hybrid

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Definitions:

Expected Return

The anticipated amount of profit or loss an investment is likely to generate over a specific period.

Required Return

The minimum expected return an investor demands for the level of risk taken on an investment.

Dividend

A part of a company's profits given out to its shareholders, often as cash or extra stock.

Growth Rate

A measure of the increase in size, number, value, or strength of something over a specific period of time.