Food Chemistry: Water Molecule and Properties

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Questions and Answers

Which type of carbohydrates are composed of a large number of monomers?

  • Polysaccharides (correct)
  • Reducing sugars
  • Disaccharides
  • Monosaccharides

What is the primary source of energy storage in the form of starch and glycogen?

  • Disaccharides
  • Lipids
  • Monosaccharides
  • Carbohydrates (correct)

What determines microorganisms' ability to grow in food?

  • Melting point
  • Water activity (correct)
  • Thermal conductivity
  • Surface tension

Which constituent is the most abundant present in food?

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

What do monosaccharides act as in the building of disaccharides and polysaccharides?

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

What type of bonds do the hydrogen and oxygen atoms within water molecules form?

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

Which type of carbohydrates do not taste sweet and are insoluble in water?

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

What is the primary source of energy storage in the form of starch and glycogen?

<p>Polysaccharides (C)</p> Signup and view all the answers

Which constituent is the most abundant present in food?

<p>Water (C)</p> Signup and view all the answers

"Reducing sugars" are known for which characteristic?

<p>&quot;They have a single monomer&quot; (A)</p> Signup and view all the answers

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Study Notes

Polysaccharides

  • Composed of a large number of monomers
  • Examples include starch, glycogen, and cellulose

Carbohydrates

  • Primary source of energy storage in the form of starch (plants) and glycogen (animals)

Microorganisms

  • Ability to grow in food is determined by water activity, pH, temperature, and nutrient availability

Food

  • Water is the most abundant constituent present in food

Monosaccharides

  • Act as building blocks in the formation of disaccharides and polysaccharides

Water Molecules

  • Hydrogen and oxygen atoms form covalent bonds

Fiber

  • Do not taste sweet and are insoluble in water

Reducing Sugars

  • Known for their ability to reduce other compounds.

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