The molecules of life. The molecules that make up living things are really big They are called macromolecules
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1 Food Labels All living things use materials and energy Our food comes from living things The food labels we see show us what our food is made of The stuff we are studying today can be found on food labels
2 The molecules of life The molecules that make up living things are really big They are called macromolecules
3 IMPORTANT VOCAB!! These BIG molecules are called polymers. They are made up of simple, repeating units called monomers just 1
4 Monomers and Polymers monomer polymer just 1
5 Monomers and Polymers monomer polymer just 1
6 Quick Checks Monomer (A) or Polymer (B)?
7 Quick Checks Monomer (A) or Polymer (B)?
8 Quick Check Monomer (A) or Polymer (B)? Playlist with lots of songs
9 Quick Check What is another example of a polymer made up of many monomers? Think quietly to yourself for 30 seconds Write your idea on your whiteboard Pair up with your neighbor Make sure you have DIFFERENT answers Share with the class
10 Identifying the 4 Organic 1. Carbohydrates These are BIG molecules - macromolecules Macromolecules They are polymers made up of many simple, repeating monomers The monomers of carbohydrates are SUGARS called monosaccharides!
11 Quick Check - Whiteboards A carbohydrate is it a monomer (A) or a polymer (B)?
12 Quick Check - whiteboards Simple sugar - monosaccharide is it a monomer (A) or a polymer (B)?
13 Practice Drawing it - whiteboards Try drawing a MONOMER of carbohydrates Write the name of the monomer next to its picture Add it to your notes Try drawing a carbohydrate
14 Carbohydrates The building blocks (monomers) of carbohydrates are simple sugars like glucose, galactose, and fructose
15 carbohydrates Monomer: Simple Sugar Compound: Carbohydrate
16 Identifying the 4 Organic Macromolecules 2. Proteins These are also BIG macromolecules. On your whiteboards: Draw what you think 1 monomer of this macromolecule looks like They are also made up of many simple repeating monomers called amino acids Try drawing a monomer of proteins write it s name next to it Add it to your notes
17
18 Proteins Monomer: 1 amino acid Compound: Protein (a chain of amino acids)
19 3. Lipids Identifying the 4 Organic Try drawing the monomers of a lipid Compare with a neighbor Macromolecules The monomers of lipids have 2 parts: A glycerol and 2 fatty acid chains
20 Lipids The building blocks of lipids are glycerol and fatty acids.
21 Quick Check The monomers of lipids have 2 parts On 1/2 of your whiteboard, draw 1 monomer and label its 2 parts On the other 1/2, draw a lipid polymer Compare with a neighbor Hold up Add the monomer and its names to your notes
22 Lipids Monomer: glycerol + fatty acid chains Compound: fats, oils, waxes
23 Identifying the 4 Organic Macromolecules 4. Nucleic Acids (DNA) These are very big macromolecules Try drawing one monomer careful! - it has 3 parts! The monomers of nucleic acids are called nucleotides
24 Nucleic Acids Each nucleotide monomer has 3 parts: A sugar A phosphate group A nitrogen base
25 Nucleic acids Monomer: 1 nucleotide Add a picture of the monomer and it s names to your notes Compound: nucleic acid (RNA)
26 Who has the organic compounds? ALL living things have all four organic compounds Carbohydrates are used for energy and all living things need energy Lipids are found in cell membranes (and all living things have cells) Proteins are the products of the cell Nucleic acids all living things have DNA
27 So do you get it? Your goal was to be able to name, identify, and draw the 4 macromolecules and their monomers. Let s see if you can do it.
28 On whiteboards write it and hide it Monomer or polymer?
29 On whiteboards write it and hide it What macromolecule is this?
30 On whiteboards write it and hide it What is the name of the monomers of this macromolecule
31 On whiteboards write it and hide it What macromolecule is this?
32 On whiteboards write it and hide it What are its monomers?
33 On whiteboards write it and hide it What are the monomers of this macromolecule (hint: has 2 parts)?
34 On whiteboards write it and hide it What macromolecule is this?
35 On whiteboards write it and hide it What are the macromolecule is this?
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