Which of the Following Statements Is True of Histones

question 40

Multiple Choice

Which of the following statements is true of histones?

• A) Each nucleosome consists of two molecules of histone H1.
• B) Histone H1 is not present in the nucleosome bead; instead, it draws the nucleosomes together.
• C) The carboxyl end of each histone extends outward from the nucleosome and is called a "histone tail."
• D) Histones are found in mammals, but not in other animals or in plants or fungi.
• E) The mass of histone in chromatin is approximately nine times the mass of DNA.

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Definitions:

Break-even Point

The point at which total revenues equal total costs, resulting in no profit or loss.

Break-even Sales

The amount of sales revenue needed to cover all fixed and variable costs, leading to a situation where there is no profit or loss.

Fixed Costs

Expenses that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums.

Break-even Point

The point at which total costs and total revenues are equal, meaning there is no profit or loss.