Tell the main differences between unsaturated fatty acids @9, 03, m6.
Q: Predict which fatty acid is most likely to be a solid at room temperature. CH₂(CH₂),CH=CH(CH₂)₂COOH…
A: Food contains fat, which is necessary for survival. They give energy and basic materials for our…
Q: Classify the following fatty acids. Choices: Long chain fatty acids Medium-chain fatty acids…
A: Fatty acids are Carboxylic acids with hydrocarbon chain that may be saturated or unsaturated.…
Q: Define glycolipids.
A: Glycolipids are the lipids with carbohydrate attached by glycosidic covalent bond Their role is to…
Q: For each fatty acid below, categorize it via lipid numbers (e.g. 16:0, 18:1cA9) and, when…
A: Fatty acids are the water insoluble, long chain hydrocarbon with one carboxylic group. The chains…
Q: Predict which fatty acid is most likely to be a solid at room temperature. CH, (CH₂)3COOH CH₂…
A: A fatty acid is a carboxylic acid with a saturated or unsaturated aliphatic chain. The majority of…
Q: CHOH CHOH A CHOH CHOH 1 CH2 CHOH OH CH OH 3 CH.OH он CH CH OH B 2 CH If this were a portion of a…
A: A molecule synthesized by living organisms or cells is referred to as a "biomolecule."…
Q: Identify the 3rd Fatty acid : A) IUPAC name B) numerical symbol(use * instead of delta) C) omega…
A: Unsaturated fatty acids are the Fatty acids with double bonds in the structure. Unsaturated fatty…
Q: Draw the structure of the omega-6 fatty acid 16:1.
A: Omega 6 fatty acids are unsaturated fats which are found in vegetable oils, sunflower oils, soybean…
Q: Draw the structure of the following fatty acids: (a) Stearic acid (b) Arachidonic acid
A:
Q: common and short-hand notation Name the following Fatty Acids using their systematic_ 1.…
A: Fatty acids are carboxylic acid with an aliphatic chain which can be saturated or unsaturated chain.…
Q: Describe the water solubility of amides in relation to theircarbon chain length.
A: Amides are defined as functional groups. Here a carbonyl carbon atom is linked with the help of a…
Q: H C-H O: H- OH HO H- C OH H C-H OH Which of the following best describes the saccharide shown? a…
A: Sacharides are defined as sugar molecules which are nothing but carbohydrates. The sacharides are…
Q: Which of the following polysaccharide will be MORE VISCOUS at acidic pH? a. cellulose O b. amylose O…
A: Viscous means difficulty in flow of liquid or solutions. Polysaccharides forms by linkage of 2 or…
Q: Draw the structure of the parent lipid.
A: Lipids can be defined as organic substance that are moderately insoluble in water but soluble in…
Q: Identify the structure and function of glycogen. Which monosaccharide(s) is (are) the building block…
A: Glycogen is polymer which is formed of multiple units of glucose molecule .It is basically reserved…
Q: Briefly describe how monosaccharides like glucose and fructose assume or transform into its…
A: It is asked to briefly describe how monosaccharides like glucose and fructose assume or transform…
Q: What distinguishes a saturated fatty acid from an unsaturated fatty acid?
A: Answer- Fats are made up of fatty acids and glycerol. There are many different tpyes of fatty acids…
Q: Give structures for the following, based on the data in Table . (a) cis-9-Dodecenoic acid (b)…
A: A fatty acid is a carboxylic acid with long aliphatic chain, which is either saturated or…
Q: e. Intermediate Example(s) of Polyunsaturated fatty acid (PUFA): a. Folic acid b. Linoleic acid C.…
A: Unsaturated fatty acids are those fatty acids that contain one or more double bonds. Unsaturated…
Q: Explain the effect of a double bond on the shape of fatty acids.
A: Introduction: A fatty acid is made up of a straight chain of an even or odd number of carbon atoms,…
Q: Fatty acid with 30 carbons. How many ATPs?
A: Given: A fatty acid with 30 carbons ATPs are produced by complete oxidation of fatty acid.
Q: Molecule Amino Acid (Glycine R=H) Glycerol a-glucose Molecular Formula Variable C2H5NO2 Structural…
A: Biomolecules are carbon-based organic compounds produced by living organisms. They are primarily…
Q: A polyunsaturated, w-9 fatty acid has 20 carbons. It has three sites of unsaturation and the double…
A: Fatty acids are biomolecules with a large hydrocarbon chain and a carboxyl group at the end. Fatty…
Q: what is the mechansim for esterification in fatty acids
A: The esterification of fatty acids happens when fatty acids react with alcohol to form fatty acid…
Q: Explain the three-dimensional structure of a saturated triacylglycerol ?
A: Triglycerides- Triglycerides are a type of lipid, or fat, found in your blood. When you eat, your…
Q: what is a monosaccharide? differentiate the aldoses and ketoses of monosaccharides and draw…
A: Carbohydrates are complex biomolecules that Consist of carbon hydrogen and oxygen atoms.…
Q: For the determination of fatty acid composition, transesterification is done in a warm aqueous…
A: Transesterification refers to the reaction of esters with alcohol and carboxylic acids. These are…
Q: 29) Starch is composed ofe A) brangha .
A: C) Branched amylopectin and unbranched amylose.
Q: Provide an explanation for the fact that most fatty acids are16 or 18 carbons long.
A: Long-chain fatty acids (LCFA) are fatty acids with aliphatic chains that are 13-21 carbons long.…
Q: en a fatty acid is described as "saturated"?
A: Fatty acid has a carboxyl group attached to an R group. The R group could be a methyl (–CH3) or…
Q: Sphingolipids can contain of all of the following except
A: Sphingolipids are a type of lipids that occurs in the cell membranes. They are extensively found in…
Q: Select ALL the statements that accurately describe the differences between a hemiacetal and a…
A: Acetal and hemiacetal are both functional groups but vary slightly in thier chemical structures. The…
Q: How will saturated, monounsaturated and polyunsaturated fatty acids react with bromine water?
A: Saturated fatty acids are defined as straight-chain, organic acids. They have an even number of…
Q: Describe five major types of lipids
A: Lipids: These are long polymers of fatty acids containing long non-polar hydrocarbon chains with a…
Q: te the structure for a generic triacylglyceride at pH 7.4.
A: The simplest lipids which are derived from fatty acids are the triacylglycerols which are also known…
Q: Check all that applies to the structure of fatty acid. H2C-O C1H35 CH2OH HỌ -C,7H35 + 3NAOH →…
A: Triacylglycerols are the esters of glycerol with the fatty acids. The hydrolysis of triacylglycerols…
Q: What type of omega fatty acid is shown below? * оннн н H H-o-CHCHCH CHC. H HH H C=cH CHH THT C-H H H…
A: There are different types of omega-3 fatty acids present.
Q: Oxidation of the aldehyde group of ribose yields a carboxylic acid. Draw the structure of ribonic…
A: Ribonic acid is also known as sugar acid. Ribose is as sugar which on complete oxidation yields…
Q: In monounsaturated fatty acids, the presence of a double bond is usually found at the position…
A: Depending on the presence of double or single bond the fatty acids are classified as unsaturated and…
Q: Give the structural units of the following:
A: Lipids has wide variety of roles to play in our body : 1) Fuel reservoir of the body…
Q: Identify whether the following fatty acids are saturated or unsaturated. a. CH3(CH2)5CH=CH(CH2)7COOH…
A: Fatty acids are the carboxylic acids with aliphatic chains. These are the building blocks of fat.
Q: Account for the origin of the term carbohydrate
A: Carbohydrates are a naturally occurring compound defined as polyhydroxy aldehydes or ketones which…
Q: What is the net charge on cysteine in acidic solution at a pH below its isoelectric point. Charge:…
A: Amino acids are biomolecules with an amine and a carboxyl group. These molecules can exist as…
Q: Which of the following lipids is most susceptible to lipid peroxidation? A. Stearic acid B. Oleic…
A:
Q: All of the following are examples of monounsaturated fatty acids except A. Palmitoleic acid B. Oleic…
A: On the basis of presence of double bond, fatty acids can be divided into monounsaturated fatty acids…
Q: Choose the saturated fatty acid from the compounds below. A) OH B) C) он HO D) OH E) OH
A: Saturated fatty acids have no double bond in the chain. Their general formula is CH3-(CH2)n where n…
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- 1. Draw the structure of triglyceride containing the fatty acids palmitic, oleic, and linoleic. How many Hydrogen atoms are needed in the its catalytic hydrogenation? 2. Draw the structure of Phosphatidylserine that contains oleic and arachidonic acid. What role does it play in the cell?1. The diagram shows a structure of a lipid molecule. What is the name of this type of lipid? b. How many ester bonds are present in this molecule? c. After the lipid molecule above is fully hydrolysed, the polyunsaturated fatty acid enters B-oxidation. (i) How many rounds of ß-oxidation will the polyunsaturated fatty acid go through? а. (ii) Using omega system (@) and delta system (A) to name the polyunsaturated fatty acid.1. a. Explain why the melting point of palmitic acid (16 carbons, no double bonds) is slightly lower thanthat of stearic acid (18 carbons, no double bonds). Explain why the melting point of oleic acid (18carbons, one double bond) is lower than that of stearic acid b. A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, phosphatidylserine, andphosphatidylethanolamine was applied to a hydrophobic interaction chromatography column. Thecolumn was washed with a high salt buffer, and the lipids were then eluted with decreasing saltconcentrations. In what order would the lipids be eluted from the column? Explain your answer.
- 1. Draw the structure of an omega-3 fatty acid, docosahexaenoic acid (DHA, 22:6 (4,7, 10, 13, 16, 19)), and write briefly about their importance.1. Draw the structures of triacylglycerol, cholesterol, phosphatidylcholine, and sphingomyelin. 2. Identify the polar/charged groups and draw how water will orient itself around these groups. 3. Order these lipids from most hydrophobic to most hydrophilic. 4. Predict how the lipids will migrate on the TLC plate when the running buffer is an organic solvent. Keep in mind that although the lipid standards are dissolved in organic solvent, they can (by virtue of their polar/charged groups) interact with the polar silica matrix of the TLC plates.1. The figure below shows the Fischer projection of an L-aldohexose. T or F O. НО H- Но H- Но- ČH2OH Naturally occurring saturated long-chain fatty acids are usually in trans- configuration. 2. T or F 3. N-acetylglucosamine is commonly found in glycosaminoglycans. T or F 4. The isoelectric point of isoleucine is lower than that of histidine. T or F 5.. At pH 7, all amino acids stop migrating in isoelectric focusing. T or F 6. The following amino acid is a L-valine. T or F СООН H-NH2 CH-CH3 CH3 7. Salting out is a process to remove salts from proteins. T or F 8. There are five carbons in a pyranose ring. T or F 9. Hydrophobic interaction can be found in protein and DNA. T or F RNA is a polymer consisting of nucleosides joined together by phosphodiester bonds. 10. T or F 11. There are 3.6 base pairs in one turn of DNA helix. T or F
- 1. How are lipids used as an energy source by the body? Explain. 2. Steroid derivatives like cholesterol are also part of the lipid family. Name three useful by-products that cholesterol can be converted into within the body.1. Draw the structure of the following fatty acids: (a) Stearic acid (b) Arachidonic acid1. Melting point: what happens when the carbon chain length of fatty acids become shorter? increased melting point decrease melting point no change 2. Why do lipids with long chain fatty acids have lower saponification value? they are linear in structure, thus it is difficult to saponify they have lower number of carboxyl group per 1 gram of sample they require less amount of KOH during titration they require less HCL during back titration 3. Halogenation depends on which concept? presence of double bond in the glycerol portion presence of double bond in the fatty acid portion presence of carboxylic acid groups reactivity of potassium ions
- The reverse synthesis of ceramides synthesized biologically from sphingosine is possible. 1. What type of reaction would this be? 2. How would the pH of the skin where this reaction is most likely to take place affect this reaction?1. What are the pK,s associated with a typical aliphatic carboxylic acid? A typical aliphatic amine? What are the pK,s associated with the following groups that are found in amino acids: alpha-carboxyl, gamma-carboxyl, alpha-amino, epsilon-amino, imidazole, guanidino? How are the pKs for these groups affected when amino acids are incorporated into proteins?1. Make a series (at least 3) of drawings to show the three dehydration synthesis reactions that take place between the two Fatty Acids, the Phosphate Head and the Glycerol. Show the water molecules made. a) Label the following on the completed phospholipid: hydrophilic and hydrophobic parts of the molecule, fatty acids, phosphate group, and glycerol. b) Compare the structure of the phospholipid to that of a triglyceride. How are the two molecules Similar? How are they different? 2. Use the following vocabulary to label and draw a cell membrane: cytoplasm (cell lumen) extra-cellular fluid hydrophobic hydrophilic polar head non-polar tails a) How many O-H groups are there? And are the O-H areas of sucrose polar or non-polar? b) What is the term that is used to discuss how tightly or loosely an atom's nucleus has a hold of its valence electrons?
