25 Questions
What are the primary forms of stored energy in living organisms?
Derivatives of fatty acids
What is the main function of storage lipids in living organisms?
To store energy
What type of molecules are storage lipids derived from?
Fatty acids
What is the primary role of fatty acid derivatives in living organisms?
To store energy
What is the universal characteristic of fats and oils used for energy storage?
They are derivatives of fatty acids
What happens to the fatty acid when a cis double bond is introduced?
It bends or 'kinks' at that position
What is the effect of a cis double bond on the fatty acid structure?
It causes a kink in the fatty acid chain
What is the result of introducing a cis double bond in a fatty acid?
The fatty acid bends or 'kinks' at that position
What is the effect of a cis double bond on the shape of a fatty acid?
It creates a bend or 'kink' in the fatty acid
What is the characteristic of a fatty acid with a cis double bond?
It has a bend or 'kink' at that position
What is the oxidation state of fatty acids compared to hydrocarbons in fossil fuels?
Highly reduced
Fatty acids are derived from which type of compound?
Hydrocarbons
What characteristic do fatty acids share with hydrocarbons found in fossil fuels?
Low oxidation state
How are fatty acids described in terms of their reduction state?
Highly reduced
Which property of fatty acids makes them similar to hydrocarbons in fossil fuels?
Highly reduced state
What are the final products of cellular oxidation of fatty acids?
CO2 and H2O
What is the similarity between the cellular oxidation of fatty acids and the burning of fossil fuels in internal combustion engines?
Both processes are highly exergonic
What type of reaction occurs during the cellular oxidation of fatty acids?
Highly exergonic
Which of the following is NOT a common end product of fatty acid oxidation?
Oxygen
In what type of organisms are fatty acids most commonly found?
Living organisms
How are double bonds spaced in a fatty acid with multiple double bonds?
At three-carbon intervals
What interval exists between double bonds in polyunsaturated fatty acids?
Three-carbon
What is unique about the spacing of double bonds in certain fatty acids?
They are always at three-carbon intervals
In a polyunsaturated fatty acid with two or more double bonds, how are these bonds distributed along the carbon chain?
They are spaced at three-carbon intervals
Which statement is true about double bonds in polyunsaturated fatty acids?
They are at every third carbon
Learn about the role of fatty acids in living organisms as a stored form of energy.
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