Hydrolysis of Maltose and Cellobiose

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Questions and Answers

What is the primary function of hyaluronic acid in the body?

  • To regulate blood sugar levels
  • To aid in the digestion of proteins
  • To serve as a lubricant in joints and the eye (correct)
  • To provide energy to cells

What percentage of dietary energy in the US typically comes from sugars?

  • 30%
  • 40%
  • 20% (correct)
  • 10%

Which of the following is an example of a complex carbohydrate?

  • Polysaccharide (correct)
  • Disaccharide
  • Amino acid
  • Monosaccharide

What is the term for how quickly carbohydrates are broken down to glucose in the body?

<p>Glycemic effect (A)</p> Signup and view all the answers

What is the purpose of the glycemic index (GI)?

<p>To rate foods based on how quickly they raise blood glucose levels (C)</p> Signup and view all the answers

What type of linkage is formed between the hemiacetal carbon atom and an -OH group in a disaccharide?

<p>glycosidic linkage (B)</p> Signup and view all the answers

What is the main difference between simple and complex carbohydrates?

<p>Simple carbohydrates are small molecules, while complex carbohydrates are large molecules (A)</p> Signup and view all the answers

What is the difference between cellobiose and maltose?

<p>configuration of glucose units (D)</p> Signup and view all the answers

What is the result of the breakdown of polysaccharide starch?

<p>maltose (D)</p> Signup and view all the answers

Why can humans digest maltose but not cellobiose?

<p>because humans have enzymes that can break α (1-4) linkages (A)</p> Signup and view all the answers

What is the common use of maltose?

<p>in baby foods and malted milk (C)</p> Signup and view all the answers

What is the result of oxidizing both ends of a monosaccharide with strong oxidizing agents?

<p>A polyhydroxy dicarboxylic acid (C)</p> Signup and view all the answers

What is the characteristic of maltose that makes it a reducing sugar?

<p>it has a hemiacetal carbon atom (B)</p> Signup and view all the answers

What is the term for the acetal formed from a cyclic monosaccharide?

<p>Glycoside (B)</p> Signup and view all the answers

What is the result of enzymatic oxidation of the primary alcohol end of an aldose?

<p>An alduronic acid (D)</p> Signup and view all the answers

What is the term for the phosphate esters of monosaccharides?

<p>Phosphate esters (B)</p> Signup and view all the answers

Which blood type can be transfused to anyone without causing a reaction?

<p>Type O (A)</p> Signup and view all the answers

What is the term for the bond formed between two monosaccharides?

<p>Glycosidic bond (D)</p> Signup and view all the answers

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