What are micellae/micelles (micelle)? -Biology

What are micellae/micelles (micelle)? -Biology
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Surfacetant molecules can cluster together as micelles, which are colloid sized cluster of molecules. Micelles from only above critical micelle concen

Description : Surfacetant molecules can cluster together as micelles, which are colloid sized cluster of molecules. Micelles from only above critical micelle concen

Last Answer : Surfacetant molecules can cluster together as micelles, which are colloid sized cluster of molecules. ... . `DeltaS` of micelle formation is negative

Micelle formation occurs in `:-`

Description : Micelle formation occurs in `:-`

Last Answer : Micelle formation occurs in `:-` A. Enterocyte B. Duodenum C. Lucteals D. Pancrease

Explain micelle formation in soap solution.

Description : Explain micelle formation in soap solution.

Last Answer : Explain micelle formation in soap solution.

Water soluble molecular aggregates of lipids are known as (A) Micelle (B) Colloids (C) Sphingol (D) Mucin

Description : Water soluble molecular aggregates of lipids are known as (A) Micelle (B) Colloids (C) Sphingol (D) Mucin

Last Answer : Answer : A

What happens to the bile salts of micelle?

Description : What happens to the bile salts of micelle? 

Last Answer : The bile salts are left behind.

Which of the following terms best describes the compound below? CH3(CH2)7CH=CH(CH2)7CO2H (a) an unsaturated fatty acid (b) a triglyceride (c) a synthetic detergent (d) a micelle

Description : Which of the following terms best describes the compound below? CH3(CH2)7CH=CH(CH2)7CO2H (a) an unsaturated fatty acid (b) a triglyceride (c) a synthetic detergent (d) a micelle

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When amphipathic lipids are mixed in water, what do they form? a. Emulsion. b. Solution. c. Micelle. d. Soap

Description : When amphipathic lipids are mixed in water, what do they form? a. Emulsion. b. Solution. c. Micelle. d. Soap

Last Answer : c. Micelle.

Give the conect order of initials T(true) or F(false) for following statements [3] I : Lyophobic sols are irreversible sols. II : Micelles fonnation t

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Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Description : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration `(CMC)` . Reason(R): The conductivity of a s

Last Answer : Assertion (A): Micelles are formed by surfactant molecules above the critical micellization concentration ` ... If both Assertion & Reason are False.

Which one of the following forms micelles in aqueous solution above certain concentration?

Description : Which one of the following forms micelles in aqueous solution above certain concentration?

Last Answer : Which one of the following forms micelles in aqueous solution above certain ... Dodecyltrimethyl ammonium chloride D. Pyridinium chloride

which of the following forms cationic micelles above certain concentration?

Description : which of the following forms cationic micelles above certain concentration?

Last Answer : which of the following forms cationic micelles above certain concentration? A. Cetyltrimethylammonium bromide ... sulphonate C. Sodium acetate D. Urea

Under ambient conditions, which among the following surfactants will form micelles in aqueous solution at lowest molar concentration ?

Description : Under ambient conditions, which among the following surfactants will form micelles in aqueous solution at lowest molar concentration ?

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Among the following, which surfactant will form micelles in aqueous solution at the lowest molar concentration at ambient conditions?

Description : Among the following, which surfactant will form micelles in aqueous solution at the lowest molar concentration at ambient conditions?

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Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. Bile salts are detergents, amphiphilic molecules, i.e., molecules with a polar water-soluble portion and a non-polar fat-soluble portion. This feature allows bile salts to enclose fats inside water-soluble micelles in a process called emulsification for them to be in contact with intestinal lipases, enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Description : Bile, an emulsifier liquid, is made by the liver and later stored within the gallbladder and released in the duodenum. Bile is composed of bile salts, cholesterol and bile pigments. ... enzymes that break fats into simpler fatty acids and glycerol. Digestion System - Image Diversity: gallbladder

Last Answer : What is the adnexal organ of the digestive system in which bile is stored?

The formation of micelles occurs only beyond a certain temperature. What is the temperature called ?

Description : The formation of micelles occurs only beyond a certain temperature. What is the temperature called ?

Last Answer : Ans. Kraft temperature  

Out of glucose, urea and dodecyl trimethyl ammonium chloride, which one forms micelles in aqueous solution above certain concentration ?

Description : Out of glucose, urea and dodecyl trimethyl ammonium chloride, which one forms micelles in aqueous solution above certain concentration ?

Last Answer : Ans. Dodecyl trimethyl ammonium chloride. 

What happens to the micelles?

Description : What happens to the micelles? 

Last Answer : Fatty acids and monoacyl glycerides from the micelles passively diffuse into the mucosal cell.

What are micelles?

Description : What are micelles?

Last Answer : The micelles are spherical particles with a hydrophilic exterior and hydrophobic interior core . Monoglycerides, long chain fatty acids, cholesterol, phospholipids and lysophospholipids are incorporated into molecular aggregates to form mixed micelles.

Can cholesterol form micelles and bilayers?

Description : Can cholesterol form micelles and bilayers?

Last Answer : Cholesterol does not form micelles because it is not sufficiently amphiphilic (even though it does have an OH group) and its flat, rigid, fused-ring structure gives a solid rather than a liquid ... it constitutes ∼25% of the mass of the lipid bilayer in the plasma membranes of mammalian cells. 

What are the structural and chemical reasons why bile salts don’t form typical micelles?

Description : What are the structural and chemical reasons why bile salts don’t form typical micelles?

Last Answer : Although bile salts possess a polar head group, the hydrocarbon tail usually contains polar hydroxyl groups. Therefore the rigid ring system gives a tightly packed, almost solid, nonpolar phase rather ... liquid one. However, like cholesterol, bile salts can form mixed micelles with phospholipids. 

Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product? (a) Small intestine : Proteins Pepsin  →  Amino acids (b) Stomach : Fats Lipase  →  Micelles (c) Duodenum : Triglycerides Trypsin  →  Monoglycerides (d) Small intestine : Starch α-Amylase  →  Disaccharide (maltose)

Description : Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product? (a) Small intestine : Proteins Pepsin  →  ... Trypsin  →  Monoglycerides (d) Small intestine : Starch α-Amylase  →  Disaccharide (maltose)

Last Answer : (d) Small intestine : Starch α-Amylase  →  Disaccharide