Using the below image identify 1 - 6 using A - M. To answer this question, please write (in order) 1. - 6. and next to each number write the letter or letters that best identify the image. There may be multiple answers per number. A. polar head B. amino acid C. polypeptide D. hydrophilic E. C-terminus F. phospholipid G. saturated fatty acid H. amphipathic molecule I. N-terminus J. hydrophobic K. tripeptide L. secondary structure M. unsaturated fatty acid Choline AAAAAAAAAAAAAAAAA HJH HC-O-C-C-C-C-C--------C-C-C-C-C-C-H HHHHHHHH HS HOH HOA H HOH ΗΗΗΗΗΗΗΗΗΗΗΗΗΗΗΗΗ --C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-C-H HO HOH HO HOH HO 오구오 3. AAAAAAAAAAAAAAHHH HC-N-CH-CH-O-P-O-CH 2 +H3N-Ca-C-N- 4. 6. N C H R2 H R 5.
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The structure labeled 1 is a long hydrocarbon chain, which is hydrophobic. It is also a saturated fatty acid. Therefore, the answer is G, J. 2. The structure labeled 2 is also a long hydrocarbon chain, which is hydrophobic. It is also a saturated fatty acid. Show more…
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Q1. The following are about fatty acids. Briefly explain! (a) Draw the following fatty acids: (i) 18:2(Δ9,12) (ii) 18:1(Δ9). (iii) 18:0 (b) Which fatty acid(s) and saturated, unsaturated, and/or polyunsaturated fatty acid(s)? (c) Give the name for fatty acids (i) and (ii) using ω designation. (d) Give the melting points from the highest to lowest. Q2. For the structure on the right, (1) What is the name for this phospholipid? (2) If it is treated with Phospholipase A1, what are the product(s)? Draw the chemical structures. (3) What is the enzyme required to remove (hydrolyze) the 2nd fatty acid that joins at C2 of glycerol)? (4) Similar to (2), if treated with Phospholipase D, what are the product(s)? Draw the chemical structures.
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3. Refer to the accompanying figure, depicting molecules 1-15, to answer the following questions. 3.a [1 pt] Which of the above molecules is an ionized amino acid with a hydrophobic R-group or side chain? Check all that apply. ☐ 1 ☐ 2 ☐ 3 ☐ 4 ☐ 5 ☐ 6 ☐ 7 ☐ 8 ☐ 9 ☐ 10 ☐ 11 ☐ 12 ☐ 13 ☐ 14 ☐ 15 3.b [1 pt] What type of biomolecule is depicted in figure 5? Be specific. 3.c [2 pts] Consider biomolecule 5 again. Which other molecules depicted above are always components of this type of biomolecule? Check all that apply. ☐ 1 ☐ 2 ☐ 3 ☐ 4 ☐ 5 ☐ 6 ☐ 7 ☐ 8 ☐ 9 ☐ 10 ☐ 11 ☐ 12 ☐ 13 ☐ 14 ☐ 15
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After examine the structures of the four lipids in the figure below, answer the following questions (a) Which are phosphoglycerides? (b) Which is a glycolipid? (c) Which contain sphingosine? (d) Which contain choline? (e) Which contain glycerol? Name the lipids: A B D
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