Biology: Storage Lipids

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What are the primary forms of stored energy in living organisms?

Proteins

Carbohydrates

Nucleic acids

Derivatives of fatty acids (correct)

What is the main function of storage lipids in living organisms?

To store energy (correct)

To provide structure to cells

To facilitate cell signaling

To regulate body temperature

What type of molecules are storage lipids derived from?

Glucose molecules

Purines

Amino acids

Fatty acids (correct)

What is the primary role of fatty acid derivatives in living organisms?

To store energy Signup and view all the answers

What is the universal characteristic of fats and oils used for energy storage?

They are derivatives of fatty acids Signup and view all the answers

What happens to the fatty acid when a cis double bond is introduced?

It bends or 'kinks' at that position Signup and view all the answers

What is the effect of a cis double bond on the fatty acid structure?

It causes a kink in the fatty acid chain Signup and view all the answers

What is the result of introducing a cis double bond in a fatty acid?

The fatty acid bends or 'kinks' at that position Signup and view all the answers

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 Signup and view all the answers

What is the characteristic of a fatty acid with a cis double bond?

It has a bend or 'kink' at that position Signup and view all the answers

What is the oxidation state of fatty acids compared to hydrocarbons in fossil fuels?

Highly reduced Signup and view all the answers

Fatty acids are derived from which type of compound?

Hydrocarbons Signup and view all the answers

What characteristic do fatty acids share with hydrocarbons found in fossil fuels?

Low oxidation state Signup and view all the answers

How are fatty acids described in terms of their reduction state?

Highly reduced Signup and view all the answers

Which property of fatty acids makes them similar to hydrocarbons in fossil fuels?

Highly reduced state Signup and view all the answers

What are the final products of cellular oxidation of fatty acids?

CO2 and H2O Signup and view all the answers

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 Signup and view all the answers

What type of reaction occurs during the cellular oxidation of fatty acids?

Highly exergonic Signup and view all the answers

Which of the following is NOT a common end product of fatty acid oxidation?

Oxygen Signup and view all the answers

In what type of organisms are fatty acids most commonly found?

Living organisms Signup and view all the answers

How are double bonds spaced in a fatty acid with multiple double bonds?

At three-carbon intervals Signup and view all the answers

What interval exists between double bonds in polyunsaturated fatty acids?

Three-carbon Signup and view all the answers

What is unique about the spacing of double bonds in certain fatty acids?

They are always at three-carbon intervals Signup and view all the answers

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 Signup and view all the answers

Which statement is true about double bonds in polyunsaturated fatty acids?

They are at every third carbon Signup and view all the answers