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Biology Chapter 5 Quiz & Clickers Flashcards
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Biology Chapter 5 Quiz & Clickers Flashcards

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@VersatileCopernicium

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Questions and Answers

A molecule with the chemical formula C6H12O6 is probably a _____.

monosaccharide

Humans can digest starch but not cellulose because humans have enzymes that can hydrolyze the alpha-glycosidic linkages of starch but not the beta-glycosidic linkages of cellulose.

True

How is lactose classified?

disaccharide

Which of the following could amylase break down?

<p>Starch</p> Signup and view all the answers

Which of the following categories includes all others in the list?

<p>carbohydrate</p> Signup and view all the answers

Which of these best reflects the following relationship: monosaccharide versus polysaccharide?

<p>glucose versus glycogen</p> Signup and view all the answers

Study Notes

Carbohydrates Overview

  • C6H12O6 represents a monosaccharide, a fundamental sugar molecule.
  • Starch is digestible by humans due to enzymes that break alpha-glycosidic linkages, unlike cellulose, which contains beta-glycosidic linkages.
  • Lactose is a disaccharide made of glucose and galactose joined by a glycosidic linkage.

Enzymes and Digestion

  • Amylase is an enzyme capable of hydrolyzing glycosidic linkages in starch, specifically targeting alpha forms of glucose monomers.
  • It cannot break down cellulose due to its different linkage type.

Classification of Carbohydrates

  • The term "carbohydrate" encompasses all types of sugars including monosaccharides, disaccharides, and polysaccharides.
  • Examples include glucose (a monosaccharide) and glycogen (a polysaccharide), illustrating the relationship between simple and complex carbohydrates.

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Description

Test your knowledge on key concepts from Chapter 5 of biology, including carbohydrate structures and digestion. This quiz features flashcards on molecules like glucose and lactose, along with their digestibility. Perfect for reinforcing your understanding of molecular biology.

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