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Old 02-11-2012
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Biochemistry Biochemistry: Energy metabolism Qs

1) What are preferred fuels in the Well-Fed cardiac muscles?
A) Glucose
B) Fatty acids
C) Amino acids
D) Ketones
E) Pyruvate
F) Fructose
G) Alcohol

2) In the well-fed state, liver derives most of its energy from .... ?
A) Glycogenolysis
B) Gluconeogenesis
C) Oxidation of excess amino acids
D) Oxidation of excess ketones
E) Convertion of pyruvate to lactate
F) Conversion of fatty acids to VLDL
G) Alcohol dehydrogenase pathway

3) Which of the followings provide carbon skeletons for glucose synthesis in the liver between meals and during prolonged fasts?
A) Lactate, Glycerol, and Amino acids
B) Lactate, Amino acids, and Ketones
C) Glycerol, Ketones, Amino acids
D) Lactate, Glycerol, Amino acids
E) Lactate, Fatty acids, Amino acids
F) Glycerol, Fatty acids, Ketones
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Old 02-11-2012
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ans ......B.......

ans .........C........
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Old 02-11-2012
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1- a

2 -- ?? c maybe...?? cos thats the only thing that can form pyruvate n enter the krebs cycle

3- a
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I think....

D
B
F???
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Old 02-11-2012
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Quote:
Originally Posted by suka View Post
I think....

D
B
F???
remember that ketones never provide carbon skeletons.. they only provide ATP to the liver.. which then uses this energy to go thru the gluconeogenesis cycle...

the prime thing that u learn in Fatty acid metabolism is that they cannot be used to generate glucose
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Old 02-11-2012
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1. B
2. C
3. A (D is same)
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Old 02-11-2012
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Correct Answer Correct Answers

Correct answers are as follow:
1. B
2. C
3. A or D
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Great


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using Tapatalk
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Old 02-12-2012
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Can someone pls tell me why 1 is b ??
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its in kaplan . pg 164 2010 edition .....

says heart in well fed state uses FATTY acids ....
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