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Fiber

Authored by Eduardo Purgatto

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University

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Fiber
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the concept, dietary fiber is composed of:

Water-soluble carbohydrates, digested in the small intestine.

Polysaccharides resistant to enzymatic digestion in the human small intestine.

Structural carbohydrates present in foods in general.

Exclusively cellulose, the main component found in plants.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main source of fiber in the diet comes from:

Vegetable fat.

Proteins of plant origin.

Plant cell wall.

Water-soluble polysaccharides.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Structural polysaccharides of the plant cell wall are:

Starch and glycogen.

Cellulose, hemicellulose, and pectins.

Maltodextrins and gum arabic.

Chitin and fructans.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Examples of hemicelluloses are:

Arabinoxylans and galactomannans.

Cellulose and lignin.

Resistant starch and pectin.

Inulin and β-glucans.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pectins are:

Glucose polymers organized in microfibrils.

Fructose polymers found in roots and tubers.

Polysaccharides composed only of xylose and mannose.

Polysaccharides rich in galacturonic acid, present in the middle lamella of plants.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Regarding solubility, fibers are classified as:

Fermentable and non-fermentable fiber.

Plant fiber and animal fiber.

Soluble and insoluble fiber.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Outros compostos que são considerados fibra alimentar:

Glicogênio e frutose.

Lignina e amido resistente.

Proteínas estruturais e colágeno.

Amido e açúcares solúveis.

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