1. Draw the structure of a cholesterol ester where cholesterol is esterified with palmitic acid. is this polar or nonpolar acid2. Draw the strucutre of lecithin containing stearic acid on carbon 1 and arachidonic acid on carbon 2 of glycerol. is this polar or nonpolar acid 3.Disccuss the medical sginificance of cholesterol , cholesterol ester,l ecithin and choline .4. Give examples of phosphoglycerides and sphingolipids of biological importance . ESTIONS1. Draw the structure of a cholesterol ester where cholesterol is esterified with palmitic.acid. Is this a polar or nonpolar lipid?2. Draw the structure of lecithin containing stearic acid on carbon 1 and arachidonicacid on carbon 2 of glycerol. Is this a polar or nonpolar lipid?55 3 Discuss the medical significance of cholesterol, cholesterol ester, lecithin and choline.Give examples of phosphoglycerides and sphingolipids of biological importance.

Lipids are one of the 4 biomacromolecules of life. They are composed of a variety of molecules with…

Draw the structure of a cholesterol ester where cholesterol is esterified with palmitic acid. is this polar or nonpolar acid 2. Draw the strucutre of lecithin containing stearic acid on carbon 1 and arachidonic acid on carbon 2 of glycerol. is this polar or nonpolar acid 3.Disccuss the medical sginificance of cholesterol , cholesterol ester,l ecithin and choline . 4. Give examples of phosphoglycerides and sphingolipids of biological importance .

Draw the structure of a cholesterol ester where cholesterol is esterified with palmitic acid. is this polar or nonpolar acid 2. Draw the strucutre of lecithin containing stearic acid on carbon 1 and arachidonic acid on carbon 2 of glycerol. is this polar or nonpolar acid 3.Disccuss the medical sginificance of cholesterol , cholesterol ester,l ecithin and choline . 4. Give examples of phosphoglycerides and sphingolipids of biological importance .

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter3: Molecules Of Life

Section: Chapter Questions

Problem 13SQ: In the following list, identify the carbohydrate, the fatty acid, the amino acid, and the...

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Question

1. Draw the structure of a cholesterol ester where cholesterol is esterified with palmitic acid. is this polar or nonpolar acid

2. Draw the strucutre of lecithin containing stearic acid on carbon 1 and arachidonic acid on carbon 2 of glycerol. is this polar or nonpolar acid

3.Disccuss the medical sginificance of cholesterol , cholesterol ester,l ecithin and choline .

4. Give examples of phosphoglycerides and sphingolipids of biological importance .

ESTIONS
1. Draw the structure of a cholesterol ester where cholesterol is esterified with palmitic.
acid. Is this a polar or nonpolar lipid?
2. Draw the structure of lecithin containing stearic acid on carbon 1 and arachidonic
acid on carbon 2 of glycerol. Is this a polar or nonpolar lipid?
55

3 Discuss the medical significance of cholesterol, cholesterol ester, lecithin and choline.
Give examples of phosphoglycerides and sphingolipids of biological importance.

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Step 1: Lipids

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Step 2: Cholesteryl ester with palmitic acid as the fatty acid component

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Step 3: Lecithin with stearate and arachidonate bonded at C1 and C2 of glycerol respectively

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Step 4: Medical significance of cholesterol, cholesterol ester, lecithin and choline

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Step 5: Phosphoglycerides and sphingolipids

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4. Amphiphilic Lipids. Detergents are small amphiphilic molecules that tend to form micelles in water. (a) Draw the structures of sodium dodecyl sulfate (SDS) and Triton X-100 (b) For each drawn detergent, indicate which portions (ends) of the molecules are hydrophilic and hydrophobic. Justify your answer (explain why hydrophilic vs hydrophobic). (c) Draw the micelle structure for one of the detergents. (d) Why does the detergent form a micelle and not a bilayer? Why do detergents denature proteins and remove grease from your clothing?
None
Please don't provide handwritten solution ....
Lipids most abundant form are Triglycerides building blocks are 1 If a triglyceride only contains If a triglyceride contains one or more unsaturated fat. + The tail of this structure is made of 2 (hydrophobic). then it is classified as a saturated fat. The head of this structure is made of a single (hydrophilic). 4+ O Search Lipids are also responsible for a major component of the cell membrane wall that is both attracted to and repelled by water, called Their overall shape determines their The complex 3D shape of a protein is called a Proteins have four levels of structure: t -Ö:-- CD and 3 per molecule. bonds that contain the maximum number of + Proteins building blocks are amino acids that are held together with bonds. These are covalent bonds that link the amino end of one amino acid with the carboxyl end of another. T 09 bonds, then it is classified as an that are water insoluble + that is water soluble T F9 8 W F10 · C F11
R V. Phospholipids are the main structural lipids that comprise cellular and organellar membranes. One abundant phospholipid in bacterial cell membranes is phosphatidylethanolamine (PE), which has a generic structure shown on the right. Note that R1 R and R2 are representative alkyl chains of attached fatty acids, each having about 16 – 20 carbon atoms. a) The overall net charge in one PE molecule is: -2 -1 0 +1 +2 CH₂ Phosphatidylethanolamine (PE) -CH H₂C. b) The glycerophosphate backbone in PE is a: D-enantiomer c) The fatty acids are attached to PE via which type of bond? amine L-enantiomer racemic NH3 amide ester ether d) Draw the commonly used cartoon representation of one phospholipid molecule. Label the hydrophilic and hydrophobic parts.
Modify the structure of cysteine
Structures of L-Cysteine from highly protonated to depronated form. Note Structure A as themost protonated form. Based on the table in the image, 1. What are the buffer regions/effective pH range?
Structures PLEASE DRAW OUT THE FATTY ACIDS - Hydrocarbon chain atoms DO NOT need to be labeled, everything else does. Common name Symbol Lauric acid 12:0 Myristic acid 14:0 Palmitic acid 16:0 Stearic acid 18:0 Arachidic acid 20:0 Palmitioleic acid 16:1 △9 Oleic acid 18:1 △9 Linoleic acid 18:2 △9,12 a-Linolenic acid 18:3 △9,12,15 g-Linolenic acid 18:3 △6,9,12 Arachidonic acid 20:4 △5,8,11,14
Give typed full explanation
Fill in ..... (1) the complete systematic names for sugars A, B and C (remember to you pyranosyl or furanosyl because these are not the terminal sugar). (2) The appropriate descriptor of the glycosidic bonds where appropriate/necessary. (3) Draw the missing sugars as indicated onto the given diagram. HO OH GED A HO OH a-L-psicofuranose (1➜6)- (1➜4)- a-D-idopyranose HO OH B OH OH OH OH SUGAR A SUGAR B SUGAR C
[Select] [Select] -0-P=0 0 CH-CH₂ C=O (CH₂)12 (CH₂)10CH 3 CH 3 3-3-3-3- + Ọ–CH,CH,N(CH3)3 CH DE P
Match lipid descriptions in column A with the phospholipid type in column B ✓ H is attached to the phosphate group bound to C3 of glycerol backbone ✓ An amino acid is attached to the phosphate group bound to C3 of glycerol backbone A primary ammonium ion is found in its structure A quaternary ammonium ion is found in its structure A. phosphatidylcholine B. phosphatidylserine C. phospatidylethanolamine D. glycerophospholipid