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AP Bio Essential Chemistry Questions: # 4 and 5

AP Bio Essential Chemistry Questions: # 4 and 5. By Nikki, Shannon, Payal. 4. C:H:O Ratio in Carbohydrates. 1:2:1 Monosaccharides are the building blocks of all carbs All Monosaccharides molecular formulas are a multiple of CH 2 O Example: Glucose, C 6 H 12 O 6. 4. C:H:O Ratio in Lipids.

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AP Bio Essential Chemistry Questions: # 4 and 5

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  1. AP Bio Essential Chemistry Questions: # 4 and 5 By Nikki, Shannon, Payal

  2. 4 C:H:O Ratio in Carbohydrates 1:2:1 • Monosaccharides are the building blocks of all carbs • All Monosaccharides molecular formulas are a multiple of CH2O • Example: Glucose, C6H12O6

  3. 4 C:H:O Ratio in Lipids 2:1:.5 • Lipids are made up of a various number of fatty acids • The varying fatty acids change the ratio • So this ratio will not always be true, there will be other variations

  4. 4 C:H:O Ratio in Proteins 1:6:1 and 1:2:1 • Proteins are made up of amino acids • Different amino acids and functional groups will affect the ratio • There will be multiple correct answers

  5. 4 C:H:O Ratio in Nucleic Acids 1:1:1 • Nucleic Acids are made up of nucleotides • Different number of nucleotides will change the ratios • Answers will vary

  6. 5 Carbohydrates • Usually contains no P • Usually contains no N • Rarely contains S • Examples: Sucrose, C12H22O11 Glucose, C6H12O6

  7. 5 Lipids • Usually contains no P • Usually contains no N • Rarely contains S • Examples: Lauric Acid, CH3(CH2)10CO2H

  8. 5 Proteins • Usually contain no P • Always contain N • Rarely contain S

  9. 5 Nucleic Acids • Always contains P • Always contains N • (made up of nitrogenous bases) • Often contains S

  10. Videos • CARBOHYDRATES (start at 0:26) http://www.youtube.com/watch?v=5kphsHC91dULIPIDS (0:58) http://www.youtube.com/watch?v=hJSrwYfnxrk&feature=relmfuPROTEINS (1:08) http://www.youtube.com/watch?v=aiXdFMmsfmE&feature=relmfuNUCLEIC ACIDS (0:43) http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D_fTYZVkmMuU%26feature%3Drelmfu&h=TAQBVxtU0

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