Podcast
Questions and Answers
What is the ratio of NADPH/NADP+ in the cytosol for fatty acid synthesis?
What is the ratio of NADPH/NADP+ in the cytosol for fatty acid synthesis?
- 3:1
- 1:1
- 4:1 (correct)
- 2:1
Where does the transfer of acetyl groups occur from in the synthesis of fatty acids?
Where does the transfer of acetyl groups occur from in the synthesis of fatty acids?
- Mitochondria to Golgi apparatus
- Lysosomes to cytosol
- Endoplasmic reticulum to nucleus
- Mitochondria to cytosol (correct)
What happens when the ratio of NADPH/NADP+ is high in cytosol for fatty acid synthesis?
What happens when the ratio of NADPH/NADP+ is high in cytosol for fatty acid synthesis?
- Fatty acid synthesis is favored (correct)
- Acetyl CoA production decreases
- Fatty acid synthesis is inhibited
- NADH levels increase
Which organelle is responsible for fatty acid synthesis in photosynthetic cells?
Which organelle is responsible for fatty acid synthesis in photosynthetic cells?
What enzyme is inhibited by phosphorylation via AMP-activated protein kinase in the control of fatty acid synthesis?
What enzyme is inhibited by phosphorylation via AMP-activated protein kinase in the control of fatty acid synthesis?
What is the fatty acid produced by the desaturation of stearic acid with a double bond between Carbons 9 and 10?
What is the fatty acid produced by the desaturation of stearic acid with a double bond between Carbons 9 and 10?
What is the maximum point up to which mammals can add double bonds to carbon atoms in fatty acid chains?
What is the maximum point up to which mammals can add double bonds to carbon atoms in fatty acid chains?
What is the starting point for prostaglandin and leukotriene synthesis?
What is the starting point for prostaglandin and leukotriene synthesis?
Where does triacylglycerol synthesis occur?
Where does triacylglycerol synthesis occur?
What supplies glycerol units for triacylglycerol synthesis?
What supplies glycerol units for triacylglycerol synthesis?
What is the main phospholipid in cells?
What is the main phospholipid in cells?
In relation to fat deposition as a result of a high carbohydrate diet, what is incorrect?
In relation to fat deposition as a result of a high carbohydrate diet, what is incorrect?
Where does fatty acid synthesis take place?
Where does fatty acid synthesis take place?
What is the byproduct of the reaction catalyzed by acetyl CoA carboxylase?
What is the byproduct of the reaction catalyzed by acetyl CoA carboxylase?
What is the function of the 'swinging arm' mechanism in fatty acid synthase?
What is the function of the 'swinging arm' mechanism in fatty acid synthase?
What is the net result of the condensation reaction between acetyl-ACP and malonyl-ACP?
What is the net result of the condensation reaction between acetyl-ACP and malonyl-ACP?
What is the difference between fatty acid synthesis and oxidation?
What is the difference between fatty acid synthesis and oxidation?
How many enzyme activities are present in the mammalian fatty acid synthase?
How many enzyme activities are present in the mammalian fatty acid synthase?
