In aqueous solutions, fatty acids associate with each other in spherical clusters called:
Q: Name two essential fatty acids
A: Fatty acids are the smallest units of fat in the body. Fats break down to form fatty acids.…
Q: What are the characteristics of monounsaturated fatty acids?
A: BASIC INFORMATION BIOMOLECULES These are the molecules that are made up of the biological elements…
Q: Describe the biological significance of cholesterol.
A: Introduction: Cholesterol is a 27 carbon compound with a hydrocarbon tail, a central nucleus…
Q: Draw the structure of the following fatty acids: (a) Stearic acid (b) Arachidonic acid
A:
Q: The physical properties of cholesterol are best described as amphipathic, charged amphipathic,…
A: Biomolecules that are composed of both hydrophobic and hydrophilic segments are termed amphipathic.…
Q: Which of the following lipids are amphiphilic: fatty acids; acylate ions; TAGS; cholesterol;…
A: Amphiphilic or amphipathic are those compounds which are comprised of two different segments one…
Q: The biologically active form of a fatty acid is the thioester of____________________.
A: The simplest forms of lipids are called fatty acids. They contain even number of carbon atoms in…
Q: List three features of this fatty acid structure that are not commonly found in human fatty acids.…
A: fatty acids are long chain of carbon atoms which are produces when lipids and carboxylic acid come…
Q: arrange the following lipids in order of decreasing polarity: cholesterol, triglyceride, estradiol,…
A: Introduction: The lipids are the biomolecules made up of hydrocarbon that serves as the major…
Q: Why do unsaturated fatty acids have lower melting points than their saturated counterparts? What is…
A: Fatty acids are the simplest form of lipid. It is also a component of many lipids. Fatty acids are…
Q: In each of the following pairs of fatty acids, select the fatty acid that has the higher melting…
A: C:D of acids is given (Number of carbons : Number of double bonds) Unsaturated fatty acids have…
Q: Steroids are classified as sinple lipids. True or false. Explain
A: Lipids are those substances that are found to be insoluble in water and are a crucial component of…
Q: Which fatty acid tail from the following diagram is saturated? Which one is unsaturated? Briefly…
A: the given struture is that of a triglyceride formed between the ester bond between glycerol molecule…
Q: the breakdown of the disaccharide lactose into two monosaccarides (glucose and galactose) requires…
A: Lactose is a sugar which comprises of galactose and glucose . Molecular formula of lactose is…
Q: Why must cholesterol be packaged for transport rather than occurring freely in the bloodstream?
A: Cholesterol is a class of derived lipids made up of fused cyclohexane and cyclopentane rings which…
Q: What is the relationship between saturated fatty acids andLDL?
A: The human body produces all the required LDL naturally. Fat is made up of two different molecules,…
Q: What is the relationship between carbon chain length and melting point for fatty acids?
A: Fatty acids are molecules that are long chains of lipid-carboxylic acids found in fats and oils and…
Q: Explain the difference between aldoses and ketoses including its configuration of D and L
A: Carbohydrates, proteins, and lipids are macronutrients that supply the body with energy and basic…
Q: Which of the following statements about glycosylation is true?
A: Glycosylation is the process by which sugar are attached to the protein to form glycoproteins…
Q: is consists from glycerol and two fatty acids and one phosphate group
A: Lipids are mainly water-insoluble biomolecules that play a vital role in the formation of cell…
Q: Describe the use the body makes of cholesterol.
A: Cholesterol is a waxy fat-like substance that was made in the liver. It was essential for all living…
Q: Lipids with long saturated fatty acid chains are solid at room temperature true or false ?
A: Lipids are made up of two major molecules known as glycerol and fatty acids. Fatty acids are…
Q: Of the following natural fatty acids, which is predicted to have the HIGHEST melting point? Not…
A: The structure of fatty acid is correlated with a melting point. whereas unsaturated fatty acid…
Q: What one functional group can be found in ANY glucose molecule?
A: Glucose is defined as the main sugar molecule that is present in the blood where it acts as the main…
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: Why is cholesterol important in the human body?
A: Sterols are substances that lack fatty acids yet possess fat-like characteristics. Each sterol is…
Q: In both triacylglycerol and phosphoglyceride, there is one glycerol , but triacylglycerol has and…
A: Fat and oil are organic compounds that form lipids. Lipids are used by organisms for storing energy…
Q: Tell the main differences between unsaturated fatty acids @9, 03, m6.
A: Omega fatty acids are all unsaturated fatty acids that are having double bonds in their structure…
Q: In terms of structure, how is cholesterol different from bile salts?
A: Cholesterol is required to synthesize steroid hormones, vitamin D, and bile acids and is a…
Q: What are the typical fatty acid chains found in phosphoglycerides, and why do their carbon atom…
A: Phosphoglycerides Glycerol-based phospholipids Main component of the biological membrane.
Q: The following are essential fatty acids, EXCEPT: O A. oleic acid OB. linoleic acid O c. linolenic…
A: Fatty acids are the one of the important components of lipids, can be seen in plants, animal and…
Q: Define the following terms: a. eicosanoid b. omega-6 fatty acid c. omega-3 fatty acid d. trans fatty…
A: a. eicosanoid: Eicosanoids are signaling molecules formed by oxidative metabolism of 20 carbon…
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: Explain the affect on the structure and physical properties of a fatty acid when increasing the…
A: Fatty acids are of two type’s; saturated fatty acids and unsaturated fatty acids. Saturated fatty…
Q: If a lipid has a fatty acid chain with a double bond in it, it is said to be...
A: LIPIDS:- Lipids have hydrocarbons that play as building blocks of any structure and functions of…
Q: Choose the letter of 1. Common sources of unsaturated fatty acids, EXCEPT? a. Corn oil b. Fish oil…
A: Fatty acids: a. Fatty acids have carboxyl group (-COOH) at one end and methyl group (CH3) at the…
Q: at room temperature, amino acids are solids with relatively high decomposition points. explain why
A: Amino acid contain a central alpha-carbon, a hydrogen, an alpha-amino group, an alpha-carboxylic…
Q: Which of the following statements about sphingolipids is TRUE?
A: Introduction: Lipids are of great importance to the body as the chief concentrated storage form of…
Q: Describe the structure of a fatty acid and explain how it is named
A: A fatty acid is the simplest form of lipids that is a long hydrocarbon chain attached to the…
Q: All of the following pairs are well-match, except one: O oleic fatty acid is : unsaturated fatty…
A: Fatty acid is a carboxylic acid present with a long aliphatic chain which can be either saturated or…
Q: Define the following terms: a. monounsaturated fatty acid b. polyunsaturated fatty acid c. saturated…
A: Monounsaturated Fats : These are the fats which consists of one unsaturated carbon means they…
Q: For each of the following pairs of amino acids, identify the strongest type of intermolecular forces…
A: In the protein structure, there are several forces, which plays an important role for stabilization…
Q: Which of the following lipid types is the least polar? A. Sphingolipids B. Gangliosides C.…
A: A wide range of chemically unique organic molecules known as biological lipids are either insoluble…
Q: Define the following terms:a. fatty acidb. monunsaturated fatty acidc. polyunsaturated fatty acidd.…
A: Biological lipids are a chemically diverse group of organic compounds which are insoluble or only…
Q: Explain why cholesterol is not saponifiable.
A: Cholesterol : It is a waxy, fat-like substance that's found in all the cells in your body. your body…
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- Choose the letter of the best answer. 1. Common sources of unsaturated fatty acids, EXCEPT? a. Corn oil b. Fish oil C. Peanut oil d Soybean oil 2. In aqueous solutions, fatty acids associate with each other in spherical clusters called: Micelles b Spheres 3. These lipids contain esters and undergo hydrolysis under basic conditions, EXCEPT a Waxes b. Triglycerides C. Steroids d. Sphingolipids 4. The body cannot synthesize some fatty acids and must be obtained from te diet, what is/are examples of these fatty acids? a Linoleic acid Palmitic acid C. Stearic acid d. Oleic acid 5. The fatty acids in a triglyceride molecule are usually not all the same; natural triglycerides are often mixtures of many different triglyceride molecules. Why are triglycerides solid at room temperature? Contains mostly saturated fatty acids Contains mostly unsaturated fatty acids Contains polyunsaturated fatty acids a. b. с. d. None of the above 6. TRUE regarding Fatty acids, EXCEPT: It has a carboxylic head…1. 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 ionsMatch the following descriptions with the correct lipid-based compounds: Cholesterol Sphingolipids Phosphoacylgycerol Glycerophospholipids Fatty acyls…
- 1. Which one is classified as signaling lipid a. TAG b. Cholesterol c. Bile d. Eicosanoids 2. Which on is compound lipid? a. phospholipids b. coconut oil c. lard d. beeswax 3. What is the functional group in fatty acid structure? a. palmitic acid b. oleic acid c. linoleic acid d. myristic acidof the following is incorrect about the sphingolipids? a. The backbone is sphingosine which has an amine group to which a fatty acid can be attac ▸ b. The sphingophospholipids have a phosphate group with an alcohol attached c. They are components of membranes Od. The cerebrosides have oligosaccharides as head groupsA mixed triglyceride contains: O A. three similar fatty acids esterified with glycerol B. two similar fatty acids esterified with glycerol O C. three different fatty acids esterified with glycerol all of the above 35
- 1. a. How will you classify Lipids? Differentiate the Simple, Compound and Derived lipids. b. Write down the details about structure and functions of fatty acids.Sphingolipids do I. contain a glycerol core with a phosphocholine headgroup. II. contain a modified sphingosine. III. usually has a ceramide moiety IV. function as a precursor to sterols. O II, IV O II, II O , II, II O I, II, IV1. Choose which of the following are complex lipids. Leukotrienes Testosterone Lecithin Triacontyl hexadecanoate Lycopene 2. Given below are some of the different functions of proteins in cells. Match a correct example. ✓ Immunity ✓ Catalysis ✓ Transport ✓ Structural ✓ Hormone A. Myoglobin B. Antibody C. Insulin D. Beta galactosidase E. Keratin
- Match the following: A. A triglyceride on hydrolysis gives, Fatty 1. Sphingosine +Carbohydrate 2. A non- B. A wax consists of, saponifiable lipid C. Phosphoglyceride consists of, Fatty acid 3. Sphingosine + Phosphoric acid+ Carbohydrate D. A sphingomyelin consists of, membered 4. A set of 3 6- And a 5-membered ring Fused together. 5. Saponifiable E. A glycolipid consists of, lipid. F. A steroid is a special type of ring system Consists of 6. Fatty acids and long Chain alcohols 7. Glycerol, G. A prostaglandin is an example of, Fatty acids+ Phosphoric acids H. Triglycerides, phospholipids and glycolSelect the correct statement about unsaturated fatty acids: 1. Unsaturated fatty acids have extra nitrogen atoms in their hydrophobic tails compared to saturated fatty acids 2. Unsaturated fatty acids have multiply bonded carbons in their hydrophobic tails compared to saturated fatty acids which have only single bonded carbons 3. Unsaturated fatty acids have no bends in their hydrophilic fatty acid tails 4. Unsaturated fatty acids have relatively more hydrogen atoms in their hydrophobic tails compared to saturated fatty acidsThese lipids contain esters and undergo hydrolysis under basic conditions, EXCEPT:a. Waxesb. Triglyceridesc. Steroidsd. Sphingolip;ids