1. Macromolecules ( Carbohydrates, Lipids, Proteins and Nucleic Acids )

2. Write down 5 things you ate in the last 24 hours.
Bell work
This should be completed silently:
Write down 5 things you ate in the last 24 hours.
If you don’t remember or didn’t eat, write down 5 things you would typically eat in a 24 time period.
Classify them as a sugar, protein, or fat

3. Diet analysis
Dairy- (Lipids
Sugars)
Grains
Fruit
vegetables
Protein

4. Lab- Testing for Macromolecules
Lab Safety
Goggles must worn
Clean up of your area
Glassware, well dishes, trash and countertop
Follow along as I demo lab set up on the board.

5. Frayer Model note taking
Definition/Functions
Monomer and Polymer
Examples
Pictures

6. Carbohydrates
Definition: molecules composed of carbon, hydrogen, and oxygen, and they include sugars and starches.

7. Carbohydrates
Monomer: each subunit in the complete molecule ( Monosaccharide )
Polymer: large molecule, or macromolecule, made of many monomers bonded together ( Polysaccharide )

8. Carbohydrates Function:
Broken down to provide a source of usable chemical energy for cells:
Starch: made and stored by plants
Glycogen: made and stored by animals

9. Carbohydrates Function: Major part of plant cell structure:
Cellulose: makes up the cell wall that is the tough outer covering of plant cells

10. Carbohydrates
Structure ( glucose ):

11. Carbohydrates
Structure ( Sucrose ):

12. Carbohydrates
Structure ( Starch ):

13. Carbohydrates
Structure ( Glycogen ):

14. Carbohydrates
Structure ( Cellulose ):

15. Carbohydrates
Examples?

16. Think-Pair-Share Why are carbohydrates important to your diet?
Think- Silently, write your answer in your notes
Pair- When I tell you to discuss your answer with your shoulder partner
Share- When I ask raise your hand to share with the class

17. Lipids
Definition: nonpolar molecules that include fats, oils, and cholesterol. Most lipids contain chains of carbon atoms bonded to oxygen and hydrogen atoms.

18. Lipids Monomer: each subunit in the complete molecule ( Fatty acids )
Polymer: large molecule, or macromolecule, made of many monomers bonded together ( Lipid )

19. Lipids Function: Broken down as a source of usable energy for cells
Fats ( animals ) and Oils ( plants )
( Two familiar types of lipids )

20. Lipids Function: Part of a cell’s structure:
Phospholipid: consists of glycerol, two fatty acids, and a phosphate group.
Cholestrol: a lipid that has a ring structure.

21. Lipids
Function:
Body uses it ( Cholestrol ) to make chemicals called steroid hormones.
Functions of Cholesterol-based steroids:
Regulate body’s response to stress
Control sexual development and the reproductive system ( testosterone and estrogen )

22. Lipids
Structure ( Triglyceride – has three fatty acids and a molecule of glycerol, but no phosphate group ):

23. Lipids
Structure ( Saturated and Unsaturated fatty acids ):

24. Lipids
Structure ( Phospholipid ):

25. Lipids
Structure ( Cholestrol ):

26. Lipids
Examples?

27. Think- Pair- Share Why are lipids important to your dietary needs?
Think- Silently, write your answer in your notes
Pair- When I tell you to discuss your answer with your shoulder partner
Share- When I ask raise your hand to share with the class

28. Proteins
Proteins are basic molecular building blocks of cells and all parts of animals.
Proteins are among the largest organic molecules.

29. Proteins Monomer Polymer What do they do Amino acids Proteins Enzymes
Structural support
Storage
Transport
Hormones
Receptors
Motor/contractile

30. What is a Protein There are 20 total different amino acids.
Amino acids have carboxyl and amino groups—the R group/side chain differs and determines the amino acid’s properties.

31. Enzymes Only certain parts of a protein are chemically active.
The shape of a protein determines which active sites are exposed.

32. Proteins
Protein molecules are made of smaller molecules called amino acids.
Your cells combine different amino acids in various ways to make new and different proteins.

33. Nucleic Acids
Nucleic acids are compounds made of long, repeating chains called nucleotides.
Each nucleotide contains:
a sugar molecule
a phosphate molecule, and
a base molecule.

34. Two Types of Nucleic Acids
DNA
RNA
Sugar
Deoxyribose
Sugar
Ribose

35. DNA and nucleic acids DNA is a nucleic acid .
A DNA molecule is put together like a twisted ladder.
This model shows a short piece of the flattened DNA ladder.
A DNA molecule is usually twisted and much longer.

36. DNA Each side of the ladder is made of:
5-carbon sugars called deoxyribose
and phosphate groups.

37. DNA
There are four nitrogen bases in two matched pairs.

38. White board practice

39. Which macromolecule is it?

40. Which Macromolecule is it?

41. How do you know this is a carbohydrate?

42. How do you know this is a lipid?

43. Which macromolecule is this?