Processing of a Primary MRNA Transcript in a Eukaryotic Cell

question 3

Multiple Choice

Processing of a primary mRNA transcript in a eukaryotic cell does not normally involve:

• A)attachment of a long poly(A)sequence at the 3' end.
• B)conversion of normal bases to modified bases,such as inosine and pseudouridine.
• C)excision of intervening sequences (introns).
• D)joining of exons.
• E)methylation of one or more guanine nucleotides at the 5' end.

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Definitions:

Total Surplus

The sum of consumer surplus and producer surplus, representing the total net benefit to society from producing and consuming a good or service.

Consumer Surplus

Consumer surplus is the difference between the total amount that consumers are willing and able to pay for a good or service and the total amount they actually pay.

Producer Surplus

The gap between the price producers are ready to take for offering a product or service and the actual payment they receive.

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, representing the benefit consumers receive.