Which Statement About Posttranslational Modifications of Proteins Is False

question 2

Multiple Choice

Which statement about posttranslational modifications of proteins is false?

• A) They can affect the activity of an enzyme.
• B) They may operate in signal transduction.
• C) They can include the addition of polysaccharides to proteins.
• D) They can include the cleavage of signal sequences.
• E) They are not directed by the sequence of the protein.

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Definitions:

Heroin

A potent opioid drug derived from morphine, often used illicitly for its euphoric effects.

Opium

A narcotic drug obtained from the sap of the opium poppy, used historically both as a painkiller and recreationally, and known for its potent addictive properties.

Depressants

A category of drugs that reduce neural activity and slow down the functions of the body, often used to induce calmness and sleep.

Central Nervous System

The part of the nervous system that consists of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.