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AP Biology Essential Chemistry By Kristina Abuladze, Rachael Benedetto, featuring Billy Bradenberger Will.

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Presentation on theme: "AP Biology Essential Chemistry By Kristina Abuladze, Rachael Benedetto, featuring Billy Bradenberger Will."— Presentation transcript:

1 AP Biology Essential Chemistry By Kristina Abuladze, Rachael Benedetto, featuring Billy Bradenberger Will

2 Question # 4 What is the approximate C:H:O ratio in each of the following types of macromolecules?

3 Answers Carbohydrates Common example of Carbohydrates is Glucose. It contains 12 Hydrogen molecules, 6 Carbon molecules and 12 Oxygen molecules. Which ends up with the ratio of 1:2:1

4 Answers Lipids Common Lipid molecules are Fatty Acids (Saturated and unsaturated). There is no definite ration for lipids, because there is not enough Oxygen molecules to give a certain answer. But the usual ratio is 1:2:0

5 Proteins Answers One of the examples of proteins is methionine. It contains 11 Hydrogen molecules, 5 Carbon, 2 Oxygen. It also has Nitrogen and Sulfur molecule. Like any other example of proteins, they dont have a definite ratio because the components vary so much between each other.

6 Answers Nucleic Acids A good example of Nucleic Acid is Guanine. It has 4 Hydrogen molecules, 4 Nitrogen molecules, and 1 Oxygen molecule. Nucleic Acids dont have a definite ratio as well.

7 Question # 5 What other elements are commonly associated with each of these four types of macromolecules?

8 Carbs.LipidsProteins Nucleic Acids Always contains P Usually contains no P Always contains N Usually contains no N Often contains S Rarely contains S


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