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- Several substances found in nature or within living organisms themselves are essential to the life. Thus, for each of the following substances, please give a concrete example briefly describing how their properties make them essential to life. A) Acid (pH below 7) B) LipidWhich of the following are phospholipids: (a) triacylglycerols; (b) leukotrienes; (c) sphingomyelins; (d) fatty acids?Glucose and fructose are examples of (a) monosaccharides (simple sugars). (b) isotopes. (c) lipids. (d) a, b, and c are all correct.
- For hydrogen bonds, answer these three questions: A) Are they found in polar, non-polar or both types of molecules? B) Are they strong or weak? C) Are they found inside a molecule or between a molecule?Which of the following shows the monomer that makes up glycogen? A) a B) b C) cA chemical has an amine group and an organic acid group. It does not, however, have any peptide bonds. It is (a) a monosaccharide, (b) an amino acid, (c) a protein, (d) a fat.
- (a) Identify a phospholipid from the list of compounds shown above. __________ (b) Identify a triglyceride from the list of compounds shown above. ___________(c) Identify a glycolipid from the list of compounds shown. _________ Write NA if structure is not found.Compare nucleic acids with polysaccharides. Which of the following is NOT true? Group of answer choices A) Both have monomers that contain simple sugars. B) Both function as structural support for cells. C) Both types of molecules are organic. D) Both are polymerized by dehydration reactions. .Carbohydrates and proteins participate in hydrolysis reactions during the formation of macromolecules (polymerization). (a). Is this statement true or false? (b). Give ONE reason for your answer in part (a).
- Which of the following is not associated with proteins? a.) amino acids b.) hydrogenation c.) peptide bonds d) bending and foldingPolyunsaturated fatty acids a). are solid at room temperature b). have carbon-carbon double bonds c). are polar d). have high melting pointsWhich of the following is present in sphingolipids? a). fatty acid b). carbohydrate c). phosphate d). glycerol e). A and C