What is the structure of micelles? The polar head groups of proteins are inside the micelle and the carbon chains are outside. Globular structure formed by small proteins in aqueous solution. O The polar head groups of fatty acids are outside the micelle and the carbon chains are inside. Phospholipids are inside and cholesterol is outside of the micelle. Bile salts are inside the micelle and the carbon chains are enclosed outside.

What is the structure of micelles? The polar head groups of proteins are inside the micelle and the carbon chains are outside. Globular structure formed by small proteins in aqueous solution. O The polar head groups of fatty acids are outside the micelle and the carbon chains are inside. Phospholipids are inside and cholesterol is outside of the micelle. Bile salts are inside the micelle and the carbon chains are enclosed outside.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter2: Molecules Of Life

Section: Chapter Questions

Problem 4FIO: Figure 2.17 Fatty acids. Double bonds in the tails are highlighted in red. A. The tail of stearic...

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Which of the following statements are true about lipids? There may be more than one correct answer so make sure to check all answers that are true. Fats tend to be liquid at room temperature while oils tend to be solid. A saturated fat contains fatty acids that only have single bonds between each carbon in the carbon chain. The presence of multiple double bonds in a fatty acid make it more likely that the overall lipid will be a liquid at room temperature. Phospholipids are able to form a phospholipid bilayer due to the fact that they contain a polar component at the "head" of the molecule, and a long and relatively straight non-polar component at the "tail" of the molecule Fats, lipids, and steroids all have the same general structure involving a glycerol molecule and fatty acids.
What characteristic is common to all lipid molecules? The are composed of primarily carbon and oxygen atoms. They are most typically charged molecules. They are only located in cell membranes. They do not dissolve in water.
Lipid molecules do not dissolve in water because all lipids are _______. Instead, lipid molecules attract other lipid molecules, forming tight clumps. When lipid molecules are stuck to a surface (such as hands or clothing), the lipid molecules stick to each other and the surface, and water will not wash them away. Fill in the blank: A. hydrophobic B. polypeptides C. acidic
Which of the following statements is true of fatty acids? Group of answer choices The more carbon atoms and nitrogen atoms present in a fatty acid, the shorter the fatty acid is. The more hydrogen atoms attached to carbon atoms, the more saturated a fatty acid is. All fatty acids are solid at room temperature. All fatty acids have only double bonds. All fatty acids have the same chain length.
Fatty acids are esterified into mono-, di-, or triglycerides by attaching to: Sterol Cholesterol Glycerol Sodium chloride Omega-3 fatty acids have which of the following? At least 3 double bonds A 3-carbon backbone A double bond 3 carbons from the end of the chain At least 3 fatty acid molecules linked by omega bonds
Which of the following is false about lipids?a) They are either strongly hydrophobic or amphipathicb) They are more soluble in waterc) Extraction of lipids from tissues require organic solventsd) They are insoluble in water
Which of the following statements regarding lipids is most accurate? 1. The empirical formula for lipids is typically C1H201 2. Saturated fats tend to be solid at room temperature because of the polar hydrocarbon Chain. 3. Polyunsaturated fats tend to be liquid at room temperature due to numerous double bonds in the hydrocarbon chains 4. Saturated fats tend to be liquid at room fèmperature due to hydrogen bonding 5. Lipids are synthesized by ribosomes
Which one of the following statements about lipids is correct?a. Saturated fats contain many double bonds.b. Unsaturated fats do not have double bonds.c. Fatty acids contain 9 kilocalories per gram.d. Steroids consist of chain structure molecules.
Which of the following is not a function of proteins? a. transport molecules b. acting as messengers c. supports the structure d. store genetic information What monomers join to form polypeptides? a. fatty acids b. nucleotides c. amino acids d. monosaccharides Which of the following is NOT a basic component of every amino acid? a. R group b. Amino group c. Carboxyl group d. Hydroxyl group What chemical bond links the amino group of one amino acid to the carboxyl group of the other? a. Ionic bond b. Peptide bond c. Covalent bond d. Hydrogen bond
Carbon chains are principal features for both carbohydrates and lipids. What is the primary difference between these two types of macromolecules?* Please choose one correct answer only. A. Lipids always have longer carbon chains than carbohydrates B. Lipids provide energy, but carbohydrates cannot C. Carbohydrates cannot form rings like lipids can D. Carbohydrates form ring structures, lipids form long chains
Lipids form the barriers surrounding various compartments within an organism. Which property of lipids makes them a good barrier? Select one: a.Lipids release large amounts of energy when broken down. b.Lipids store energy. c.Many biologically important molecules and ions are not soluble in lipids. d.Lipids are triglycerides. e.Lipids are polymers.
TRUE OR FALSE Lipids are insoluble in water but soluble in ether TAG mean triacylglycerol Phospholipids function as membrane lipids TAG contains fatty acids and glycerol Fatty acids contains even number of carbon atoms Saturated fatty acids have low melting points Butyric acid usually comes from coconut oil Unsaturated fatty acids contain single bonds only in their structure Arachidonic acid contains 3 double bonds Theobroma oil is a liquid fat