Which of the Following Is Considered the 21st Amino Acid

question 11

Multiple Choice

Which of the following is considered the 21st amino acid because it can bond to tRNA^sec during protein synthesis?

• A) citrulline
• B) ornithine
• C) selenocysteine
• D) xanadine

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Definitions:

MR

Marginal Revenue, the additional income earned from selling one more unit of a good or service.

Economic Profit

The excess of total revenue over the complete aggregation of both transparent and hidden costs.

Marginal Revenue

The supplementary income a company accrues from the sale of one additional unit of a product or service.

ATC

Average Total Cost, the total cost of production divided by the number of units produced, representing the average cost per unit of output.