Mono and Disaccharides Flashcards

1
Q
  • Which saccharide is this?
  • Describe the bonds formed in this disaccharide
  • What enzymes degrade it?
A
  • Maltose
  • Alpha 1–>4 linkages
  • Glucoamylase and sucrase
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2
Q

Which disaccharide is this?

What kind of linkages does it have?

What is the enzyme that degrades this sugar and where is it located?

A

Trehalose

Glc (Alpha 1–>1) Glc

Trehelase, Brush border

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3
Q

What disaccharide is this?

What are its linkages?

What is the enzyme that digests it and where is it located?

A

Lactose

Galactose (Beta 1 –>4) Glucose

Lactase, Brush border of small intestine

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4
Q

What disaccharide is this?

What are its linkages?

What is the enzyme that degrades it and where is it located?

A

sucrose

Fructose (2Beta–>alpha1) Glucose

Sucrase, Brush border small intestine

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5
Q

What do defects in digestion and absorption of monosaccharides/disaccharides lead to?

A

Diarrhea, bloating, flatulence (microbial fermentation)

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6
Q

Describe the process of fructose metabolism.

A
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