Carbohydrate Metabolism

Question 1

The formation of new glucose molecules form noncarbohydrate precursor

Answer 1

Gluconeogenesis

Question 2

Primarily occurs in liver

Answer 2

Gluconeogenesis

Question 3

Secondarily occurs in kidneys

Answer 3

Gluconeogenesis

Question 4

gluconeogenesis originates in the liver or kidneys cytoplasm or mitochondria

Answer 4

Gluconeogenesis pathways

Question 5

From pyruvate requires two enzymes

Answer 5

Pyruvate carboxylase
PEP carboxykinase

Question 6

Found within mitochondria, converts pyruvate to oxaloacetate (OAA)

Answer 6

Pyruvate carboxylase

Question 7

Found only in liver and kidney, catalyzed the irreversible hydrolysis

Answer 7

Glucose-6-phosphate

Question 8

Each of the foregoing reactions is marched by an opposing irreversible reaction in glycolysis.
Each set of such paired reactions is referred to as a

Answer 8

Substrate Cycle

Question 9

Regulating of the flow of substrate and removal of product

Answer 9

Flux control

Question 10

Is more effective if transient accumulation of product is funneled back through the cycle

Answer 10

Flux control

Question 11

Lactate is released by skeletal muscle during exercise

Answer 11

Cori Cycle

Question 12

A product for fat metabolism in adipose tissue, is transported to the liver in the blood

Answer 12

Glycerol

Question 13

Are amino acids that can be converted into glycolytic intermediate

Answer 13

Glucogenic molecules

Question 14

Are catabolized into citric acid cycle metabolites such as Alpha-ketoglutarate

Answer 14

Glucogenic amino acids

Question 15

The rate of gluconeogenesis is affected primarily by substrate

Answer 15

Gluconeogenesis regulations

Question 16

Primarily affecting gluconeogenesis by substrate

Answer 16

Availability
Allosteric effectors
Hormones

Question 17

The four key enzymes in gluconeogenesis

Answer 17

Pyruvate carboxylase
PEP carboxykinase
Fructose -1,6- bisphosphatase
Glucose -6- phosphatase

Question 18

In the liver, fructose is converted to fructose -1- phosphate by fructokinase

Answer 18

Fructose Metabolism

Question 19

When fructose -1- phosphate enters glycolytic pathways

Answer 19

Dihydroxyacetone phosphate
Glyceraldehyde

Question 20

The storage form of glucose

Answer 20

Glycogen

Question 21

Occurs after a meal, when blood glucose levels are high

Answer 21

Glycogen synthesis

Question 22

Glucose -6- phosphate is reversibly converted to glucose -1- phosphate by

Answer 22

Phospoglucomutase

Question 23

Glycosidic bond formation is and endergonic process

Answer 23

Synthesis of UDP - glucose

Question 24

The formation of glycogen from UDP - glucose requires two Enzymes

Answer 24

Synthesis of glycogen from UDP - glucose

Question 25

Removal of glucose from the nonreducing ends of glycogen

Answer 25

Glycogenolysis