Chapters 15-18/TS Page 17 PART 111 LIPIDS Do any five (5)) out of the seven (7)

Question

Chapters 15-18/TS Page 17 PART 111 LIPIDS Do any five (5)) out of the seven (7) problems in Part ill. Additional Answers will not be scored (25 POINTS) 15. Match the numbered substances with each description (1) wax (2) ol (3) sphingomyelin (4) lpoprotein a. contain a phospho group d. VLDLs, LDLS & HDL b. a triacylglycerol that is usually a liquid at room temperature e contains an amino alcoho ester of a long-chain alcohol and a long-chain fatty acid c. 16. In the fluid mosaic model: a. What is the name of the process where ions, such as Ci-& HCO, , pass through protein channels What is the name of the process that moves small molecules, for example 0, &CO;, cell membranes? through b. c. What is the name of the process that moves small ions, for example Na, K*&Ca; through cell membranes? In the fluid-mosaic model of cell membranes proteins which emerge from just one surface, out or inner, are known as what type of proteins? d. In the fluid-mosaic model of cell membranes proteins which emerge from both surfaces, oute inner, are known as what type of proteins? e.

Explanation / Answer

Ans 15 :

There are different kinds of lipids , and each of them have similarities as well as differences in their structure and composition.

1) Wax : ester of a long-chain alcohol and a long-chain fatty acid

2) Oil : a triacylglycerol that is usually a liquid at room temperature

3) Sphingomyelin : contains an amino alcohol

4) lipoprotein : VLDls , LDLs and HDLs

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