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Flashcards in Biochem II Deck (96)
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1

What is insulin addressing: the BG or energy needs of cells?

BG

2

What is the only source of energy of RBCs?

Glycolysis

3

What is the fuel utilization during the well fed state for the liver?

Glucose, AAs

4

What is the fuel utilization during the well fed state for the muscles?

Glucose

5

What is the fuel utilization during the well fed state for the heart?

FAs

6

What is the fuel utilization during the well fed state for the adipose tissue?

Glucose

7

What is the fuel utilization during the well fed state for the brain?

Glucose

8

What is the fuel utilization during the well fed state for the RBCs?

Glucose

9

What is the fuel utilization during the fasting state for the liver?

FAs

10

What is the fuel utilization during the fasting state for the muscle?

FAs, ketones

11

What is the fuel utilization during the fasting state for the heart?

FAs, ketones

12

What is the fuel utilization during the fasting state for the adipose tissue?

FAs

13

What is the fuel utilization during the fasting state for the Brain?

Glucose (ketones in the late fast)

14

What is the fuel utilization during the fasting state for the RBCs?

Glucose

15

What is the kcal/g for: carbs?

4

16

What is the kcal/g for: fat?

9

17

What is the kcal/g for: EtOH?

7

18

What are the two types of amylase?

SAlivary and pancreatic

19

What are the three different intestinal disaccharidases?

-Lactase
-Sucrase
-Maltase

20

What is the enzyme that is defective in MODY?

Glucokinase

21

What is the transporter that transports glucose from the intestines?

SGLT1/2

22

What is the GLUT that is activated by insulin?

GLUT4

23

What is the GLUT5 activity?

Passive uptake of fructose

24

True or false: fructose is not regulated by insulin, or any other hormone

True

25

Do GLUTs 1-4 utilize passive or active transport?

Passive

26

What is the difference between hexokinase and glucokinase in terms of: location?

Hexokinase is in msot tissues, except liver

Glucokinase - only in liver and beta cells of pancrease

27

What is the difference between hexokinase and glucokinase in terms of: Km?

Low for hexokinase (high affinity)

High for glucokinase (low affinity)

28

What is the difference between hexokinase and glucokinase in terms of: Vmax?

Low for hexokinase (low capacity)

High for glucokinase (high capacity)

29

What is the difference between hexokinase and glucokinase in terms of: inducibility by insulin

Hexokinase is not affected by insulin, while glucokinase is not

30

What is the difference between hexokinase and glucokinase in terms of: Feedback inhibition by G6P

Hexokinase is inhibited
Glucokinase is not