Carbohydrates Structure and Functions
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Questions and Answers

What is the general formula for hexoses?

  • C5H10O5
  • C4H8O4
  • C3H6O3
  • C6H12O6 (correct)

What is the primary function of carbohydrates in the body?

  • To provide energy to the body (correct)
  • To aid in protein synthesis
  • To provide structure to cells
  • To regulate body temperature

What type of isomerism is exhibited by glucose and galactose?

  • Aldose-ketose isomerism
  • Stereoisomerism
  • Optical isomerism
  • Epimers (correct)

What is the role of carbohydrates in biomolecules?

<p>They are precursors to other biomolecules (C)</p> Signup and view all the answers

What is the significance of ribose sugar?

<p>It is a component of RNA (C)</p> Signup and view all the answers

What is the function of hyaluronic acid?

<p>It lubricates skeletal joints (B)</p> Signup and view all the answers

What is the general formula for carbohydrates?

<p>Cn(H2O)n (B)</p> Signup and view all the answers

What is the primary source of carbohydrates for animals?

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

What is the term for molecules having only one potential aldehyde or ketone group?

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

What is the primary function of glucose in the body?

<p>Metabolic fuel for all cells (C)</p> Signup and view all the answers

What is the role of glucose in the synthesis of other carbohydrates?

<p>It is a precursor for synthesis (B)</p> Signup and view all the answers

What is the significance of carbohydrates in biomolecules?

<p>They are components of nucleic acids, glycoproteins, and proteoglycans (B)</p> Signup and view all the answers

What is the minimum requirement for a compound to exhibit stereoisomerism?

<p>At least one asymmetric carbon atom (A)</p> Signup and view all the answers

What determines the number of possible isomers of a given compound?

<p>The number of asymmetric carbon atoms (A)</p> Signup and view all the answers

Why are glyceraldehyde and its derived monosaccharides important in biomolecules?

<p>They are essential for the structure and function of biomolecules (A)</p> Signup and view all the answers

What is the role of the penultimate carbon atom in glyceraldehyde?

<p>It is the reference carbon atom for naming the mirror images (A)</p> Signup and view all the answers

What is the formula to determine the number of possible isomers of a given compound?

<p>2^n, where n is the number of asymmetric carbon atoms (D)</p> Signup and view all the answers

What is the characteristic of carbohydrates that allows them to exist as stereoisomers?

<p>They contain asymmetric carbon atoms (C)</p> Signup and view all the answers

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