Which of the Following Is Not a Piece of Evidence

question 21

Multiple Choice

Which of the following is not a piece of evidence that supports the radial loop-scaffold model of DNA packaging?

• A)Histone-depleted metaphase chromosomes still maintain their X-like shapes.
• B)Electron micrographs of whole-mounted mitotic chromosomes show loops of chromatin at the periphery of the chromosomes.
• C)Topoisomerase II assists in 100Å packaging.
• D)Special, irregularly spaced repetitive base sequences associate with nonhistone proteins to define the chromatin loops.

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Definitions:

Percentage Change

A mathematical calculation that shows how a quantity has changed over time as a proportion of the initial quantity, often used to measure growth or decline.

Inventory Investment

The stock of unsold goods held by a company during a given period, indicating the level of production that goes into inventories.

Gross Investment

represents the total amount spent on purchases of new capital and on replacing depreciated capital within an economy during a specified period.

Capital Stock

The total amount of physical, financial, and human assets used in the production of goods and services in an economy.