Nutrient Digestion (Carbohydrates and Proteins) Flashcards
1
Q
Principle dietary constituents
A
Carbohydrate Protein Fat Vitamins Minerals Water
2
Q
Types of carbohydrates
A
Monosaccharides
Disaccharides
3
Q
What are monosaccharides?
A
Hexose Sugars (6C) Breakdown products of complex CHOs which are absorbed by the small intestine
4
Q
What are the monosaccharides?
A
Glucose
Galactose
Fructose
5
Q
What are disaccharides?
A
Two monosaccharides linked together by a glyosidic bond
6
Q
What happens to disaccharides?
A
Broken down to constituent monomers by brush enzymes in the small intestine
7
Q
Can we absorb disaccharides?
A
No
8
Q
What makes up lactose? What enzyme does this?
A
Glucose + Galactose
Lactase
9
Q
What makes up sucrose? What enzyme does this?
A
Glucose + Fructose
Sucrase
10
Q
What makes up maltose?
A
Glucose + glucose
Maltase
11
Q
What are the polysaccharides?
A
Starch
Cellulose
Glycogen