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Micelle Types: Spherical and Rod-Shaped Micelles

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Micelle Types: Spherical and Rod-Shaped Micelles

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Questions and Answers

What is the characteristic of phospholipids that makes them form bilayers?

They have two water-fearing tails (correct)

They have one water-fearing tail

They are amphipathic

They are hydrophilic

What is the primary factor that governs the formation of rod-shaped micelle?

Concentration of monomers

pH level

Temperature

Gibbs free energy (correct)

Which type of micelle is formed at higher concentration?

Bilayer micelle

Rod-shaped micelle

Laminar micelle (correct)

Spherical micelle

What is the arrangement of monomers in rod-shaped micelle?

Rod-shaped Signup and view all the answers

Which of the following molecules has only one water-fearing tail?

Fatty acid Signup and view all the answers

What is the shape of the central part of the hydrocarbon radius in rod-shaped micelle?

Cylindrical Signup and view all the answers

Which type of micelle is interconvertible with other types?

Laminar micelle Signup and view all the answers

Study Notes

Types of Micelles

Spherical Micelles: amphipathic molecules can form bilayers or spherical micelles, where phospholipids (amphipathic molecules with two water-fearing tails) prefer to form bilayers, while fatty acids (with one water-fearing tail) form micelles more easily and stably.
Rod-Shaped Micelles: monomers are arranged in a rod shape, governed by the characteristic Gibbs free energy of rod formation, with a central cylindrical part and hemispherical parts at the ends, influenced by hydrophobic, electrostatic, and steric interactions.
Laminar Micelles: formed at higher concentrations, where initially spherical micelles convert to laminar micelles as the concentration increases, with monomers arranged in a laminar manner.

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Description

Learn about the different types of micelles, including spherical and rod-shaped micelles, and their formation from amphipathic molecules such as phospholipids and fatty acids.