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20 Cards in this Set

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Which monosaccharides comprise lactose?

Lactose is comprised of glucose and galactose.

Which disaccharide is comprised of glucose and galactose?

Lactose is comprised of glucose and galactose.

Which monosaccharides comprise sucrose?

Sucrose is comprised of glucose and fructose.

Which disaccharide is comprised of glucose and fructose?

Sucrose is comprised of glucose and fructose.

What is the transporter for galactose into the enterocyte?

SGLT1 is the transporter for galactose into the enterocyte.

What is the transporter for glucose into the enterocyte?

SGLT1 is the transporter for glucose into the enterocyte.

What is the transporter for fructose into the enterocyte?

GLUT5 is the transporter for fructose into the enterocyte.

What is the transporter for monosaccharides out of enterocytes into the blood?

GLUT2 is the transporter for monosaccharides into the blood.

Which enzyme breaks down sucrose in the intestine?

Sucrase breaks down sucrose in the intestine.

Which enzyme breaks down lactose in the intestine?

Lactase breaks down lactose in the intestine.

In what disease is lactase deficient?

Lactase is deficient in lactose intolerance.

Which enzyme breaks down starch?

Amylase breaks down starch.

Which enzyme breaks down maltose?

α-glucosidase breaks down maltose.

Which enzyme breaks down malotriose?

α-glucosidase breaks down maltotriose.

Which enzyme breaks down dextrin?

α-glucosidase breaks down dextrin.

Which ATPase in the enterocyte is essential for the absorption of carbohydrates?

The Na+/K+ ATPase is essential for absorption of carbohydrates.

Name three types of fibre.

Cellulose, hemicellulose and pectin.

Which enzymes are exclusive for the gluconeogenesis (don't exist in the glycolysis), and which of them are not in the cytosol?

Glucose 6-phosphatase, PEPCK, pyruvate carboxylase and fructose 1,6-bisphosphatase.




Glucose 6-phosphatase is found in the ER, and pyruvate kinase is found in the mitochondria.

What are the incretins and what is their function?

Incretins are hormones that increase insulin secretion and decrease glucagon secretion, therefore lowering blood glucose.




The two incretins are GIP and GLP-1.

What is the function of DPP-4 (dipeptidyl peptidase 4)?

DPP-4 breaks down the integrins so that they're no longer effective.