Which Does Not Occur During the Hydrolysis of RNA by RNase

question 75

Multiple Choice

Which does not occur during the hydrolysis of RNA by RNase A?

• A)Covalent catalysis involving a bond between a pyrimidine and a lysine of RNase A.
• B)Acid-base catalysis to cleave the phosphodiester bond.
• C)Abstraction of a proton from the 2'-hydroxyl group by histidine.
• D)Transition-state stabilization of a pentavalent phosphorous atom.

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Definitions:

Stored Memories

Information or experiences that have been retained in the brain and can be recalled later.

Long-Term Memory

The component of memory responsible for the long-term storage of information, lasting anywhere from hours to an entire lifetime.

Sleep

A periodic, natural loss of consciousness—as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation. Adapted from Dement, 1999.

Brain Consolidates

The process by which the brain converts short-term memories into long-term memories, making them stable and durable.