Why Is Methyl Iodide Used in the Classical Method of Exhaustive

question 41

Multiple Choice

Why is methyl iodide used in the classical method of exhaustive methylation to determine the positions of glycosidic bonds in a linear polysaccharide?

• A) All free hydroxyls become unstable, allowing hydrolysis of only glycosidic bonds to occur in acid.
• B) All free hydroxyls become stable, allowing hydrolysis of only glycosidic bonds to occur in acid.
• C) All glycosidic bonds react with methyl iodide.
• D) All glycosidic bonds become stable for treatment with acid.
• E) All glycosidic bonds are hydrolyzed with methyl iodide.

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Definitions:

Drones

Unmanned aerial vehicles (UAVs) capable of flying autonomously or being controlled remotely, used for various purposes including photography, surveillance, and delivery.

Average Variable Costs

The sum of all costs that change with production volume, divided by the number of units produced.

Drones

Unmanned aerial vehicles (UAVs) controlled by remote pilots or autonomously by onboard computers, used for various purposes including surveillance, delivery, and photography.

Average Variable Costs

Costs that vary with the level of output produced, divided by the quantity of output produced.