Other Carb Metab

Question 1

Sucrose is made up of

Answer 1

Fructose and Glucose by helping of sucrase

Question 2

Lactose is made up of

Answer 2

Glucose and Galactose by help of lactase

Question 3

Polyol pathway does what?

Answer 3

Converts glucose into fructose

Question 4

Fructose metabolism

Answer 4

Faster than glucose metab because bypasses RLS or PFK-1. If eat lots of fructose in excess esp in high fructose corn syrup foods, causes triglyceride build up. Leads to obesity and fatty liver (F.A).

Question 5

Galactose Metabolism

Answer 5

Makes glucose-6-phosphate to enter glycolysis

Question 6

What is the general term of galactose metabolism and

most common one?

Answer 6

Galactosemia; GALT deficiency which causes accumulation of galacitol a sugar alcohol causing cataracts

Question 7

Purposes of Pentose Phosphate Pathway

Answer 7

Makes sugars for DNA (Ribulose-5-phosphate)
Produces NADPH (for higher level energy synthesis)

Question 8

2 Phases of PPP

Answer 8

Oxidative: Irreversible, catabolic

Non-oxidative: Reversible, products shunted between NTS, glycolysis or gluconeogensis