202 - Whole Body Metabolism I, b

Question 1

Glycolysis produces (NADH, FADH2, H, ATP/GTP)

Answer 1

2 NADH
2 H+
2 ATP

Question 2

formation of acetyl CoA produces (NADH, FADH2, H, ATP/GTP)

Answer 2

2 NADH

2H+

Question 3

Krebs cycle produces (NADH, FADH2, H, ATP/GTP)

Answer 3

6 NADH
6 H+
2 FADH2
2 GTP

Question 4

oxidative phosphorylation produces (NADH, FADH2, H, ATP/GTP)

Answer 4

USES NADH and FADH2

34 ATP

Question 5

Order the steps of glucose metabolism:
1 - Krebs cycle
2 - formation of acetyl CoA
3 - oxidative phosphorylation
4 - glycolysis

Answer 5

4, 2, 1, 3

Question 6

glucose that’s not needed immediately is stored in the liver and skeletal muscle in the form of ________ ______

Answer 6

polysaccharide glycogen

Question 7

nervous tissue is an obligatory user of _____(a), while most other tissues can use both _____(a) and ______ ____(b)

Answer 7

glucose; glucose and fatty acids

Question 8

fatty acids CAN / CANNOT be converted back to glucose

Answer 8

cannot

Question 9

the _____ stores, converts, metabolizes glucose

Answer 9

liver

Question 10

fatty acids are converted by ___-______ into 2-carbon fragments, that are converted to acetyl CoA and enter the Krebs cycle

Answer 10

beta-oxidation

Question 11

linoleic, linolenic, arachidonic are all _______ fatty acids

Answer 11

essential

Question 12

all fatty acids can be synthesized from acetyl-CoA except . . .

Answer 12

essential

Question 13

the essential fatty acids (linoleum, linolenic, arachidonic) are all precursors to _________s (hormone)

Answer 13

eicosanoids

Question 14

________ stored in adipose tissue are first hydrolyzed to fatty acids, and then transported in the blood bound to serum albumin

Answer 14

triglycerides

Question 15

acetoacetic acid and beta-hydroxy butyric acid are both ______, shipped out of liver to be used in Krebs cycle

Answer 15

ketoacids

Question 16

________ produced in the liver partly replace glucose as fuel for the brain

Answer 16

ketoacids

Question 17

during starvation a _______ switch allows the brain to obtain roughly half of its energy from ketoacids

Answer 17

metabolic