Carbohydrates Biochemistry Objectives
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Questions and Answers

What are carbohydrates composed of?

  • Carbon and Hydrogen only
  • Carbon, Hydrogen, Oxygen, Nitrogen, and other elements (correct)
  • Carbon, Hydrogen, and Oxygen only
  • Carbon, Hydrogen, Oxygen, and Nitrogen

What is the general formula for carbohydrates?

  • (CH2O)n (correct)
  • (CH2O)2n
  • (CH2O)3
  • (CH2O)2

Which of the following is the correct biochemical definition of carbohydrates?

  • Complex organic compounds
  • Simple sugars and starches
  • Hydrocarbons and alcohols
  • Polyhydroxy-aldehydes or polyhydroxy-ketones (correct)

What does the term 'carbohydrates' literally mean?

<p>Hydrates of carbon (A)</p> Signup and view all the answers

In the context of carbohydrates, what is the significance of the molecular formula (CH2O)n?

<p>It represents the ratio of Carbon to Hydrogen to Oxygen as in water (B)</p> Signup and view all the answers

Which elements are found in many carbohydrates besides Carbon, Hydrogen, and Oxygen?

<p>Nitrogen and other elements (A)</p> Signup and view all the answers

Which compound is considered a monosaccharide?

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

What is the main sugar in seminal fluid?

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

Which carbohydrate serves as the major metabolic fuel of mammals?

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

What is the storage form of energy in animals?

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

Which compound is a disaccharide?

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

What is the precursor for synthesis of all other carbohydrates in the body?

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

Which carbohydrate serves as a source of energy for plants and animals?

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

What is the main sugar in lactose found in milk?

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

What is the storage form of energy in plants?

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

What type of carbohydrates contain more than 10 monosaccharide units per molecule?

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

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