Draw the structure of a glycerol-based lipid with an 18:1 group at the sn-3 position and...
Draw the structure of a glycerol-based lipid with an 18:1 group at the sn-3 position and phosphocholine at the sn-1 position at pH 7. Choline is HOCH2CH2N+(CH3)3. Show all bonds and electrons.
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Draw the structure of a glycerol-based lipid with an 18:1 group
at the sn-3 position and...
Complete hydrolysis of a lipid shows that it yields one glycerol, two fatty acids (14:2-cis -∆8,...
Complete hydrolysis of a lipid shows that it yields one glycerol, two fatty acids (14:2-cis -∆8, trans – ∆10) and 18:0, phosphoric acid and choline in the molar ratio 1:1:1:1:1. Name this lipid and draw its complete detailed structure (not the schematic structure).
Use the following information to answer the questions. Complete hydrolysis of a lipid yields glycerol, two...
Use the following information to answer the questions. Complete hydrolysis of a lipid yields glycerol, two fatty acids (18:2 (delta^10,12) cis and omega 3,6 fatty acid (10:2)), phosphoric acid and choline in the molar ratio 1:1:1:1. Name this lipid. State its function and location within the cell. Draw the complete lipid structure.
3. (9 pts) Glycerophospholipids A. (6 pts) Draw the structure of phosphatidylcholine at pH 7. Assuming...
3. (9 pts) Glycerophospholipids A. (6 pts) Draw the structure of phosphatidylcholine at pH 7. Assuming that different aliphatic side chains are attached to the backbone, circle all chiral centers. B. (1 pts) What is the net charge of this lipid? C. (1 pts) What are the bonds called that connect the aliphatic side chains to the backbone? D. (1 pts) What is the parent compound of glycerophospholipids?
LIPID AND MEMBRANE QUESTIONS 1. If an unsaturated fatty acid has 18 carbons, a double bond...
LIPID AND MEMBRANE QUESTIONS 1. If an unsaturated fatty acid has 18 carbons, a double bond at position would be in notation - 2. The functional groups which hold fatty acid molecules and glycerol molecules together in triacylglecerol molecules are called: 3. If a triacylglycerol is heated in aqueous sodium hydroxide (lye) solution glycerol and the sodium salts of fatty acids are produced. This mixture of sodium salts of fatty acids is called in common terminology 4. Name the four...
1. a) Draw the structure of 3-hexene, circling all allylic hydrogens. b) Draw the structure of...
1. a) Draw the structure of 3-hexene, circling all allylic hydrogens. b) Draw the structure of 3-hexene again, this time circling all vinylic hydrogens. 2. a) Draw the structure of chlorofornm b) What do you imagine the structure of bromoform might be? 3. Show the steps necessary to convert propyne into cis 6-methyl-2-heptene. 4. Write in the product(s). Include stereochemistry where relevant. Label major and minor products CH3 CH3 a) CH3 NBS CH3 hu b) NaCECH (R) CH3CH2CH2CHDBr (D -...
Please help!! Draw the structure of the glycerophospholipid phosphatidylserine. • To save drawing effort, use R1...
Please help!!
Draw the structure of the glycerophospholipid phosphatidylserine. • To save drawing effort, use R1 to replace the glycerol backbone with its two esterified fatty acid chains (the RI term is C3 of the glycerol backbone). The R group tool is located in the charges and lone pairs drop-down menu. . Be sure to include double bonds where needed. • Indicate the correct charge on all atoms that are charged at neutral pH -O0O-F ChemDoodle At neutral pH, which...
3. Based on the structure to the right what type of lipid would this figure below...
3. Based on the structure to the right what type of lipid would
this figure below be characterized as?
a. Is this lipid more likely to move laterally 200 Å in
the
bilayer or to move 50 Å in a transverse direction (through the
bilayer) from one leaflet to another? Why?
b. You treat this lipid with phospholipase A2 to remove the
fatty acid at position C2. You then place the extracted fatty acid
into a non-polar solvent. What type...
17. Draw Lewis structure for PO, 18. Draw Lewis structure for CHO(OH) (all groups are attached...
17. Draw Lewis structure for PO, 18. Draw Lewis structure for CHO(OH) (all groups are attached to aC) 19. Draw Lewis structure for CH,CO(NH) (all groups are attached to a C) 20. The partial Lewis structure below is for a common hydrocarbon. In the completlostructure, each Carbon fulfills the octet rule. C=C-CEC a) How many hydrogen atoms does the molecule contain? b) How many unshared electrons does the molecule contain? c) Rank the carbon-carbon bonds in order of increasing bond...
draw the structure of these compounds Table 1 Substituent (R) functional group MR 1 OCH3 2...
draw the structure of these compounds Table 1 Substituent (R) functional group MR 1 OCH3 2 OCH2CH3 3 OCH2CH2Cl 4 OCH(CH3)2 5 OCH2CH(CH3)2 6 OC6H11 7 OCH2C6H5 8 SCH2CH2CH3 9 SCH2CH2CH2CH3 10 NHC6H5 11 NHC6H4CH3 12 NHC6H4Br
How is this molecule classified? НО НО ОН ОН ОН O prostaglandin fatty acid Osphingosine steroid...
How is this molecule classified? НО НО ОН ОН ОН O prostaglandin fatty acid Osphingosine steroid glycerophospholipid The hydrolysis of an unknown lipid produces one glycerol molecule, two stearic acid molecules, choline, and an (unspecified) anion. What kind of lipid was the unknown? O a wax O a triacylglycerol O a glycerophospholipid O a fatty acid O a sphingomyelin What is the correct number for the ketone functional group in this structure? CH, NH, НО CH, | / NH7 Н-...
3. (9 pts) Glycerophospholipids A. (6 pts) Draw the structure of phosphatidylcholine at pH 7. Assuming that different aliphatic side chains are attached to the backbone, circle all chiral centers. B. (1 pts) What is the net charge of this lipid? C. (1 pts) What are the bonds called that connect the aliphatic side chains to the backbone? D. (1 pts) What is the parent compound of glycerophospholipids?
LIPID AND MEMBRANE QUESTIONS 1. If an unsaturated fatty acid has 18 carbons, a double bond at position would be in notation - 2. The functional groups which hold fatty acid molecules and glycerol molecules together in triacylglecerol molecules are called: 3. If a triacylglycerol is heated in aqueous sodium hydroxide (lye) solution glycerol and the sodium salts of fatty acids are produced. This mixture of sodium salts of fatty acids is called in common terminology 4. Name the four...
1. a) Draw the structure of 3-hexene, circling all allylic hydrogens. b) Draw the structure of 3-hexene again, this time circling all vinylic hydrogens. 2. a) Draw the structure of chlorofornm b) What do you imagine the structure of bromoform might be? 3. Show the steps necessary to convert propyne into cis 6-methyl-2-heptene. 4. Write in the product(s). Include stereochemistry where relevant. Label major and minor products CH3 CH3 a) CH3 NBS CH3 hu b) NaCECH (R) CH3CH2CH2CHDBr (D -...
Please help!!
Draw the structure of the glycerophospholipid phosphatidylserine. • To save drawing effort, use R1 to replace the glycerol backbone with its two esterified fatty acid chains (the RI term is C3 of the glycerol backbone). The R group tool is located in the charges and lone pairs drop-down menu. . Be sure to include double bonds where needed. • Indicate the correct charge on all atoms that are charged at neutral pH -O0O-F ChemDoodle At neutral pH, which...
3. Based on the structure to the right what type of lipid would
this figure below be characterized as?
a. Is this lipid more likely to move laterally 200 Å in
the
bilayer or to move 50 Å in a transverse direction (through the
bilayer) from one leaflet to another? Why?
b. You treat this lipid with phospholipase A2 to remove the
fatty acid at position C2. You then place the extracted fatty acid
into a non-polar solvent. What type...
17. Draw Lewis structure for PO, 18. Draw Lewis structure for CHO(OH) (all groups are attached to aC) 19. Draw Lewis structure for CH,CO(NH) (all groups are attached to a C) 20. The partial Lewis structure below is for a common hydrocarbon. In the completlostructure, each Carbon fulfills the octet rule. C=C-CEC a) How many hydrogen atoms does the molecule contain? b) How many unshared electrons does the molecule contain? c) Rank the carbon-carbon bonds in order of increasing bond...
How is this molecule classified? НО НО ОН ОН ОН O prostaglandin fatty acid Osphingosine steroid glycerophospholipid The hydrolysis of an unknown lipid produces one glycerol molecule, two stearic acid molecules, choline, and an (unspecified) anion. What kind of lipid was the unknown? O a wax O a triacylglycerol O a glycerophospholipid O a fatty acid O a sphingomyelin What is the correct number for the ketone functional group in this structure? CH, NH, НО CH, | / NH7 Н-...
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