Starting with a 5,000 Bp Plasmid Containing One Positive Supercoil

question 32

Multiple Choice

Starting with a 5,000 bp plasmid containing one positive supercoil, after one round of E. coli DNA gyrase action, what would be the supercoiling state of the plasmid?

• A) three positive supercoils
• B) two positive supercoils
• C) no supercoils
• D) one negative supercoil
• E) two negative supercoils

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Definitions:

Market Price

The current value at which an asset or service can be bought or sold in a competitive marketplace.

Zero Economic Profit

A situation where a firm's total revenue is exactly equal to its total costs, including opportunity costs.

Economic Profits

The excess of total revenues over total costs, including both explicit and implicit costs.

Market Price

The price at which goods are bought and sold in a competitive marketplace, constantly influenced by supply and demand.