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Functions of Lipids and Fats Quiz

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Questions and Answers

What is the general formula for fatty acids?

R-(CH2)n-COOH (correct)

R-(CH2)n-OH

R-(CH3)n-COOH

R-(CH2)n-CH3

Which naming system for fatty acids indicates the position of double bonds using superscript numbers following Δ (delta)?

Omega naming system

Positional designation system

Unsaturated nomenclature

IUPAC nomenclature (correct)

What is the function of emulsification lipids?

Aiding in digestion and absorption of fats (correct)

Hormone regulation

Energy storage

Cell membrane structure

Which type of fatty acid has a carbon chain length greater than 12?

Long Chain Fatty acid (LCFA) Signup and view all the answers

What is the function of lipids in protection against traumatic injury?

To protect internal organs and absorb fat-soluble vitamins Signup and view all the answers

Which function of lipids involves their role in intracellular signaling or local hormonal regulation?

Structural support for cell membrane Signup and view all the answers

What is the primary role of lipids in the transport of fat-soluble vitamins in the blood?

To store and provide energy Signup and view all the answers

Which function of lipids involves their function as a source of fuel in the body?

Protection against traumatic injury and shock absorption Signup and view all the answers

What is the main reason that most membrane lipids are considered amphipathic?

They have a non-polar end and a polar end Signup and view all the answers

What is the primary reason that lipids are described as non-polar (hydrophobic) compounds?

They interact with non-polar molecules Signup and view all the answers

Which characteristic of lipids allows them to be insoluble in water but soluble in Ether, chloroform, and C6H6?

They have hydrophobic properties Signup and view all the answers