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- Refer to the given lipid structure: CH,(CH,),,CH=CH-CH-OH CH,OH QH CH-NH-C-(CH,),,CH, CH2 OH 1. Explain what kind of product is formed if NAOH is added to a triglyceride? Discuss the principle of how the product can help in the fight against coronavirus. 2. Discuss why a saturated fatty acid like coconut oil has a good antioxidant property. 3. What are essential fatty acids? Cite some clinical signs of essential fatty acid deficiency. 4. why are essential fatty acids associated with a low incidence of heart disease? 5. what are the physiological effects of prostaglandins? Explain how aspirin can block the synthesis of prostaglandins? 6. In terms of structure, how is cholesterol different from bile salts? Cite causes of bile duct obstruction and symptoms. 7. Explain the cell membrane's lipid bilayer. What are the lipids found in the cell membrane? 8. Differentiate between passive and active transport movement of molecules across the cell membraneAll of the following are functions of nucleotides EXCEPT: (A) They form part of the structure of important redox carriers.(B) They are important metabolites that serve as secondary messengers. (C) They are polymerized to form DNA and RNA.(D) They are used as reductants during the recycling of reduced glutathione. (E) They function as high energy equivalents and energetic currency.Given these molecular components-glycerol, fatty acid, phosphate, long- chain alcohol, and carbohydrate-answer the following: (a) Which two are present in both waxes and sphingomyelin? (b) Which two are present in both fats and phosphatidylcholine? (c) Which are present in a ganglioside but not in a fat?
- Which of the following drugs is a less potent microsomal triglyceride transfer protein (MTP) inhibitor, which reduces cholesterol levels? O Structure 1 (IC50 = 23 nM) O BMS-200150 (IC50 = 2.2 µM) O Hybrid Structure (IC50 = 12 nM) %3! O Hit compound (IC50 = 36 µM) %3D Lomitapide (IC50 = 0.5 nM)Which of the following is a choline-containing lipid? a) Phosphatidylethanolamine b) Phosphatidylserine c) Sphingomyelin d) PhosphatidylglycerolWhich noncovalent interactions (discussed in Section 8.2) are responsible for the cohesion of lipid molecules? Is the overall strength of these forces weak or strong? Why are lipids incompatible with water?
- Refer to the structure of cholesterol: a) Is the molecule amphipathic? b) Use the structure to support your answer in (a). HOThe components of poison ivy and poison oak that produce the characteristic itchy rash are catechols substituted with long-chain alkylgroups. If you were exposed to poison ivy, which of the treatments below would you apply to the affected area? Justify your choice.(a) Wash the area with cold water.(b) Wash the area with dilute vinegar or lemon juice.(c) Wash the area with soap and water.(d) Wash the area with soap, water, and baking soda (sodium bicarbonate).What charged groups are present in glutamate at a pH = 7? OA) 1 × NH3 + B) 1 × COO™ O C) 1 × NH3* and 1 × COO- D) 2 × NH3 and 1 × COO E) 1× NH3 and 2 × COO- OF) None
- Contrary to legend, camels do not store water in their humps, which consist of large fat deposits. How can these fat deposits serve as a source of water? Calculate the amount of water (in liters) that a camel can produce from 1.0 kg of fat. Assume for simplicity that the fat consists entirely of tripalmitoylglycerol.Consider the following molecules. (a) Name the molecule and its function for letters: A, C, and E. (b) Name the group and where it is made in the cell for letters: B, C, and D. но но но I|I|| I || H-N-C-Č-N-C-C-N-c-C- OH H CH2 H ÓH H SH A B HH H H HHH HHH H HHH H C-C-C-C-C-C ннннн нннн нннннн HH HHH -с-с-ҫ-ҫ--с-с-н H-C-o CH OH HH H H HH H H H H OH H H-C-0 H H HH H H H H Η Η Η Η HH HH HHHHHHHHH HH HO -C-C-C-C-C -C-C-C-C-C-C-C-C-H H-C-0 end H H HH H H H H H H HHHHH D H 'endThe thyroid gland metabolizes iodine, the most common formof which has a molecular weight of 127 (iodine-127). A physi-cian wants to use a radioactive isotope of iodine (iodine-131)to test whether a patient’s thyroid gland is metabolizing nor-mally. Based on what you know about how atoms react, doyou think this physician’s plan makes sense?