Carbohydrates Overview

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Questions and Answers

What is the main function of monosaccharides in the context of carbohydrates?

  • Contribute to the recycling process in photosynthesis
  • Provide immediate energy via cell respiration
  • Serve as monomers for polysaccharides (correct)
  • Act as a long-term storage form of energy

How many carbon atoms do monosaccharides typically range from?

  • 13-16 carbons
  • 3-7 carbons (correct)
  • 8-12 carbons
  • 17-20 carbons

Which process involves the reaction: Carbon dioxide + water -> Glucose?

  • Cell respiration
  • Krebs cycle
  • Photosynthesis (correct)
  • Glycolysis

What is the primary drawback associated with using glucose as a source of energy?

<p>Uses up all available glucose quickly (C)</p> Signup and view all the answers

What are the atoms involved in carbohydrates according to the text?

<p>Carbon, Hydrogen, Oxygen (B)</p> Signup and view all the answers

Which type of sugar is found in the RNA molecule?

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

What type of bond links two monosaccharides together to form disaccharides?

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

Which polysaccharide is primarily used for long-term energy storage in animals?

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

What structural polysaccharide is found in the cell walls of plants?

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

Which lipid category has fats, phospholipids, steroids, and waxes as its subtypes?

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

What determines whether a fatty acid is saturated or unsaturated?

<p>The number of carbons in the hydrocarbon chain and double bonds between carbons (C)</p> Signup and view all the answers

Which of the following describes saturated fatty acids?

<p>Solid at room temperature (C)</p> Signup and view all the answers

Where is cellulose predominantly found in nature?

<p>Cell walls of plants (B)</p> Signup and view all the answers

Which sugar forms table sugar, also known as sucrose?

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

What is the molecular formula for glucose, fructose, and galactose, which are all hexose sugars?

<p>C6H12O6 (A)</p> Signup and view all the answers

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