Which of the Following Is Circled in This Electron Micrograph

question 123

Multiple Choice

Which of the following is circled in this electron micrograph? Photo credit: Biophoto Associates/Science Source

• A)one double-stranded DNA molecule
• B)one single strand of a DNA molecule
• C)two double-stranded DNA molecules

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Definitions:

Average Revenue

The amount of income generated per unit of sale or the total income divided by the number of units sold.

Purely Competitive Seller

A seller in a market that has many buyers and sellers, with all firms selling identical products and no barriers to entry.

Marginal Revenue

The boost in revenue experienced by a company when it sells an extra unit of its goods or services.

Purely Competitive Firm

A company that operates in a market where there are many sellers and buyers, the products are homogeneous, and there is free entry and exit from the market.