What is the role of acetyl-CoA in lipid metabolism?

LPD Resit

Quiz
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Science
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University
•
Easy
Cikgu Cikgu
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It breaks down glucose into amino acids
It transports lipids in the bloodstream
It links carbohydrate metabolism to lipid synthesis
It is the primary component of chylomicrons
It enhances bile acid excretion
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component is responsible for transporting dietary lipids from the intestine to adipose tissue?
Low-density lipoproteins
Chylomicrons
Acetyl-CoA
Ketone bodies
It is stored in the pancreas
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to triglycerides after being absorbed by the intestinal mucosa?
Broken into glucose and stored in the liver
Sent to the kidney
Resynthesized and transported to liver or adipose tissue
Degraded by bile acids and excreted
It stimulates vitamin absorption
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What triggers the rise of ketone bodies during fasting?
High insulin levels
Liver glycogen synthesis
Depletion of liver glycogen and increased fat oxidation
Protein synthesis in the liver
It triggers muscle contraction
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which enzyme system is responsible for the final step in fatty acid synthesis?
ATP synthase
Thioesterase
Hexokinase
Lipase
It binds directly to tRNA
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following reflects an early fasting response (4-6 hours)?
Autophagy increase
Fat oxidation spike
Initial blood glucose drop
Ketone spike
It activates hemoglobin production
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would happen in the liver when there is excess glucose available?
Increased gluconeogenesis
Increased ketone body production
Increased fatty acid synthesis
Increased muscle protein degradation
It increases DNA synthesis
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