ans. part b 2. (a) The diagram below shows the structure of a lipid.i. Which type of lipid does this structure belong to?ii. Give one example of molecule made up of this type of lipid.iii. Describe the distinct roles of this type of lipid on membrane at differenttemperatures. Keep your answer brief.(b) The figure illustrates the structure of a lipid.CH2-O-CH-O-CH2i. Regarding the types of fatty acids, what is the name of this type of lipid? Give thefull name, not abbreviation.ii.After hydrolysis, the fatty acid chain indicated by an arrow is released. Name thisfatty acid in n-system and delta (A) designation.ii.How can the fatty acid release energy in the cells?

Triacylglecerides contain a glycerol molecule linked with three ester bonds with three identical or…

(b) The figure illustrates the structure of a lipid. CH2 CH-O-C CH2 i. Regarding the types of fatty acids, what is the name of this type of lipid? Give the full name, not abbreviation. After hydrolysis, the fatty acid chain indicated by an arrow is released. Name this fatty acid in n-system and delta (A) designation. ii. 111. How can the fatty acid release energy in the cells?

(b) The figure illustrates the structure of a lipid. CH2 CH-O-C CH2 i. Regarding the types of fatty acids, what is the name of this type of lipid? Give the full name, not abbreviation. After hydrolysis, the fatty acid chain indicated by an arrow is released. Name this fatty acid in n-system and delta (A) designation. ii. 111. How can the fatty acid release energy in the cells?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter3: Biological Macromolecules

Section: Chapter Questions

Problem 2VCQ: Figure 3.23 Which categories of amino acid would you expect to find on the surface of a soluble...

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2. (a) The diagram below shows the structure of a lipid. i. Which type of lipid does this structure belong to? ii. Give one example of molecule made up of this type of lipid. iii. Describe the distinct roles of this type of lipid on membrane at different temperatures. Keep your answer brief. (b) The figure illustrates the structure of a lipid. CH2-O- CH-O- CH2 i. Regarding the types of fatty acids, what is the name of this type of lipid? Give the full name, not abbreviation. ii. After hydrolysis, the fatty acid chain indicated by an arrow is released. Name this fatty acid in n-system and delta (A) designation. ii. How can the fatty acid release energy in the cells?
(a). Phospholipids are amphipathic molecules which have hydrophilic and hydrophobic regions. Explain how this feature benefits the cell. (Give ONE reason) (2) (b). Give ONE difference between a saturated phospholipid and an unsaturated phospholipid. (2)
a. What characteristic of phospholipids makes them essentialcomponents of cell membranes?b. How are saturated and unsaturated fatty acids different?c. Why is the hydrophilic end of phospholipids attracted to water?
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Lipid bilayers form spontaneously in a process driven by the hydrophobic effect. Explain how the hydrophobic effect drives bilayer formation from individual lipids in an aqueous environment. Describe how the physical properties of the lipid bilayer are determined by the chemical properties of the membrane lipid components. Diagrams are encouraged for both parts of the question.
Cholesterol ( see picture) has a fused four – ring core and is part of body membranes. The -OH group on C-3 is the polar head, and the rest of the molecule provides the hydrophobic tail that does not fit into the zigzag packing of the hydrocarbon portion of the saturated fatty acids. Considering this structure, does cholesterol contribute to the stiffening (rigidity) or the fluidity of a membrane? why or why not?
Cholesterol has a fused four – ring core and is part of body membranes. The -OH group on C-3 is the polar head, and the rest of the molecule provides the hydrophobic tail that does not fit into the zigzag packing of the hydrocarbon portion of the saturated fatty acids. Considering this structure, tell whether cholesterol contributes to the stiffening (rigidity) or the fluidity of a membrane.
Define the three most common types of membrane lipids
Define Membrane Lipids.
Determine the class of lipid (see attached image for choices) shown by the following structures and whether if it is saponifiable or non-saponifiable.s
Identify the type of lipid in each compound. Glycerophospholipids are a class of phospholipids. ва C19H39 COOH CH₂(CH₂)28CH3 НННННННН Н ......... с-с-с-с-с-С-С-С-С-С-Н III НННН Н Н Н Н Н НННН НННН Н II I L I I 1 TU с-с-с-с-с-с-с-с-С-С-Н FIT III ННН H НННН Н НННН Н Н LI I I . С-С-С-С-С-С-С O ННННН HO Н3С(СН2)15 :-0 H-C-O H-C-0 H d wax fatty acid triacylglyceride steroid prostaglandin phospholipid Н Н -0- HO .COOH -CH₂
(a) Cholesterol is a lipid yet does not form membranes like the membrane lipids and is not used to store energy like the storage lipids. Explain. b) Glycerophospholipids and sphingolipids form membranes but triacylglycerols do not. Why? (c) Triacylglycerols are used for long term energy storage but glycogen and starch are used for short term energy storage. Explain