Glycolysis

Question 1

Glut1 transports glucose where?

Answer 1

Brain and Blood

Question 2

Glut2 transports glucose where?

Answer 2

Liver and Pancreas

Question 3

Glut3 transports glucose where?

Answer 3

Neurons

Question 4

Glut4 transports glucose where?

Answer 4

Heart,muscle,fat

Question 5

Which transporter is regulated by insulin?

Answer 5

Glut4

Question 6

Which transporter has the lowest affinity for glucose?

Answer 6

Glut2

Question 7

Name the 10 steps of glycolysis.

Answer 7

Question 8

Sucrose is a disaccharide of?

Answer 8

Glucose and fructose

Question 9

Lactose is a disaccharide of?

Answer 9

glucose and galactose

Question 10

This enzyme phosphorylates glucose in the first step?

Answer 10

Hexokinase

Question 11

This enzyme functions in the third step of glycolysis?

Answer 11

Phosphofructokinase

Question 12

This enzyme functions in the last step of glycolysis?

Answer 12

Pyruvate kinase

Question 13

Glucokinase functions where?

Answer 13

In the liver

Question 14

what is the most important regulatory step in glycolysis?

Answer 14

Phosphofructokinase catalyzed reaction

Question 15

excessive fructose consumption skips over phosphofructokinase, this leads to what in the liver?

Answer 15

excess acetyl CoA converted to fatty acids resulting in fatty liver

Question 16

Lactose intolerance is caused by a deficiency in which enzyme?

Answer 16

lactase

Question 17

Galactosemia is caused by deficiency in what?

Answer 17

galactose 1-phosphate uridyl transferase activity.

Question 18

If galactose is not removed from the eye by the transferase then what happens?

Answer 18

aldose reductase causes the accumulation of galacitol which leads to cataracts

Question 19

What is the warburg effect?

Answer 19

Aerobic glycolysis that some tumors use.