Use the Following Paragraph to Answer to the Corresponding Questions)

question 11

Multiple Choice

Use the following paragraph to answer to the corresponding questions) .
Masatomo Kawakubo et al. reported in Science in August 2004 that the human stomach contains a natural, carbohydrate- base antibiotic that probably protects a large portion of the population from various diseases caused by the bacterium Helicobacter pylori. This bacterium has been linked to peptic ulcers, gastritis, and stomach cancer. This naturally occurring antibiotic is described by Kawakubo as having a terminal a1,4- linked N- acetylglucosamine NAG) , and it acts by inhibiting the biosynthesis of a major component of the cell wall in H. pylori. [: M. Kawakubo et al., Science 305 2004) : 1003.]
-Which of the following structures is most consistent with Kawakubo's description of this antibiotic?

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Definitions:

Insulin Levels

Insulin levels refer to the amount of insulin, a hormone produced by the pancreas, present in the bloodstream, crucial for regulating blood sugar levels and metabolism.

Midday

Refers to the middle of the day, typically around noon.

Norms

Shared beliefs or standards that dictate the expected and acceptable behavior within a particular group or society.

Violated

Violated refers to the act of breaking or failing to comply with a rule, law, agreement, or expectation.