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What are carbohydrates? C n (H 2 O) n hydrates of carbon carbon water.

Published byEdgar Ellis Modified over 9 years ago

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Presentation on theme: "What are carbohydrates? C n (H 2 O) n hydrates of carbon carbon water."— Presentation transcript:

1

2 What are carbohydrates? C n (H 2 O) n hydrates of carbon carbon water

3 What are carbohydrates? honey glucose C 6 (H 2 0) 6 or C 6 H 12 O 6 wood

4 What are carbohydrates? wood glucose C 6 H 12 O 6 CO 2 + H 2 O O2+O2+O2+O2+photosynthesis

5 What are carbohydrates? glucose C 6 H 12 O 6 CO 2 + H 2 O O2+O2+O2+O2+ photosynthesis metabolism O2O2O2O2

6 Glucoseglucose C 6 H 12 O 6 fischer projection

7 Glucoseglucose C 6 H 12 O 6 french fries wood

8 Carbohydrates-their role in biology metabolism C 6 H 12 O 6 CO 2 + H 2 O + energy + O2+ O2+ O2+ O2 structurelumber cotton cell wall (bacteria)

9 Carbohydrates-their role in biology metabolism C 6 H 12 O 6 CO 2 + H 2 O + energy + O2+ O2+ O2+ O2 information

10 Carbohydrates-their role in biology metabolism C 6 H 12 O 6 CO 2 + H 2 O + energy + O2+ O2+ O2+ O2 biomolecular structure ribose

11 Carbohydrates-their role in biology metabolism C 6 H 12 O 6 CO 2 + H 2 O + energy + O2+ O2+ O2+ O2 biomolecular structure DNA (deoxyribonucleic acid)

12 D-glucose Glucose: Nomenclature and Stereoisomerism. D-glyceraldehyde

13 D-glucose D-glyceraldehyde

14 D-glucose D-glyceraldehyde L-glyceraldehyde L-glucose enantiomers mirror plane

15 How many aldohexoses can exist with the "D" configuration. aldohexose

16 D-aldohexose

17 How many aldohexoses can exist with the D configuration.

18 maximum number of stereoisomers = 2 n n = stereocenters = 2 4 = 16

19 D-glyceraldehyde D-threoseD-erythose D-riboseD-arabinoseD-xyloseD-lyxose D-alloseD-altroseD-glucoseD-mannoseD-guloseD-idoseD-galactoseD-talose

20 Glucose: The hemiacetal isomer and its polymers. fischer projection = =

21  -D-glucose  -D-glucose

22  -D-glucose  -D-glucose

23  -D-glucose  -D-glucose

24  -D-glucose  -D-glucose

25 cellobiose

26 cellobiose

27 cellobiose maltose disaccharides

28 Glucose french fries wood cellulose starch n n polysaccharides

29 Glucose cellulose starch n n polysaccharides

30 Other disaccharides glucose galactose lactose

31 glucose fructose

32 glucose fructose

33 glucose fructose sucrose

34 Artificial Sweeteners

35 cell recognition: blood types type B type A type O

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