Clinical Chemistry and Carbohydrates Quiz

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Questions and Answers

Which of the following is a polysaccharide?

  • Glucose
  • Sucrose
  • Glycogen (correct)
  • Fructose

What is the primary source of energy for brain, erythrocytes, and retinal cells?

  • Sucrose
  • Glucose (correct)
  • Glycogen
  • Fructose

Which hormone is responsible for decreasing glucose concentration in the blood?

  • Insulin (correct)
  • Adrenaline
  • Glucagon
  • Somatostatin

How many sugar units are there in an oligosaccharide?

<p>3 to 10 (B)</p> Signup and view all the answers

What is the stereochemistry used to distinguish between D and L configurations of a compound?

<p>The location of the functional group (B)</p> Signup and view all the answers

Flashcards

Glycogen

A complex carbohydrate composed of many glucose units linked together. It's the storage form of glucose in animals, primarily found in the liver and muscles.

Glucose

A simple sugar that is the primary source of energy for the brain, red blood cells (erythrocytes), and retinal cells.

Insulin

A hormone produced by the pancreas that helps lower blood glucose levels by promoting glucose uptake by cells.

Oligosaccharide

A type of carbohydrate that consists of 3 to 10 sugar units linked together.

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Stereochemistry

The arrangement of atoms in a molecule, specifically the position of the functional groups, which determines the D or L configuration.

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Study Notes

Carbohydrates

  • Polysaccharides are a type of carbohydrate.
  • The primary source of energy for brain, erythrocytes, and retinal cells is glucose.

Hormones

  • The hormone responsible for decreasing glucose concentration in the blood is insulin.

Oligosaccharides

  • Oligosaccharides are carbohydrates composed of 2-10 sugar units.

Stereochemistry

  • The Fischer projection is used to distinguish between D and L configurations of a compound.

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