Plant Weight Week g 1.3 g 1.5 g 1 1 g 1.7 g 2 g 2 1 g 1.6 g 1.8 g 3 1 g 1.3 g 1.5 g 4 1 g 1 g 1 g. Plant Weight Week 1. Plant Weight Week 2
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1 9/11-9/12 Sci 7
2 AGENDA 1. Lecture 2. Organelle Flip Page 3. Processing Task 4. Fix your notebooks LEVEL ZERO VOICE CATALYST (10 minutes, individual work): 1. List all of the characteristics of life and give an example of each. 2. Experimental Question: Does watering plants more make them grow more? What conclusions can you draw from the data? Cups per week Plant Weight Week 1 Plant Weight Week 2 Plant Weight Week g 1.3 g 1.5 g 1 1 g 1.7 g 2 g 2 1 g 1.6 g 1.8 g 3 1 g 1.3 g 1.5 g 4 1 g 1 g 1 g
3 REVIEW: Atom basic unit of matter, super small Example: oxygen, iron, carbon, nitrogen, helium Molecule two or more atoms bonded together Examples:
4 REVIEW Macromolecules: big molecules formed by joining many small molecules together Macro greek for long Molecula Latin for mass Ex: Train
5 LEVEL 2, 12 inch voice Carbohydrate Examples: Lipids: olive oil Proteins: amylase (protein in saliva) Protein Lipid
6 Cells are the smallest unit of life all new cells come from pre-existing cells Cells are made from macromolecules: 1. nucleic acids 2. proteins 3. lipids 4. carbohydrates
7 Cells are made from macromolecules: 1. nucleic acids make up DNA and RNA long chains of nucleotides form a chain order is important 2. proteins 3. lipids 4. carbohydrates
8 Cells are made from macromolecules: 1. nucleic acids 2. proteins long chains of amino acids Proteins carry out functions in the cell Holds the cell up Performs functions makes DNA, splits the cell in two cells have hundreds of proteins amylase in saliva breaks down nutrients 3. lipids 4. carbohydrates
9 Cells are made from macromolecules: 1. nucleic acids 2. proteins 3. lipids fat, very large macromolecule that doesn t dissolve in water Example: cholesterol, butter, almonds, cell membrane 4. carbohydrates
10 Cells are made from macromolecules: 1. nucleic acids 2. proteins 3. lipids 4. carbohydrates sugar one sugar molecule or a chain or a lot of sugar molecules fruit, bread, plants
11 Cell Basics Cell Membrane Fatty, flexible covering that surrounds the cell Protects it from outside Made of proteins and lipids Cell Appendages Appendage = arm, leg, claw Flagella, long tail-like appendage Cytoplasm: fluid inside the cell Filled with proteins, macromolecules, and salts Cytoskeleton: network of proteins Gives cells shape and helps it move
12 Cell Types Prokaryotic cells DNA, genetic material, is not surrounded by cell membrane Eukaryotic cells ORGANELLES membrane bound structures ex: nucleus, DNA surrounded by membrane plants, animals, and protists are all made of eukaryotic cells
13 Cell Organelles: Cell membrane flexible fatty structure that protects the cell Nucleus genetic material is housed here Ribosomes makes proteins Rough Endoplasmic Reticulum (ER) processes proteins Smooth ER makes membranes Mitochondria creates cell energy (ATP) Golgi Apparatus ships proteins to various parts of the cell Lysosomes breaks down cell parts Vacuoles stores materials
14 Processing Task part 2 - LEVEL 2 VOICE 2 inch AGENDA 1. Lecture 2. Organelle Flip Page 3. Processing Task 4. Fix your notebooks 1. Match the organelle function with the city analogy. 2. Get checked by Ms. Klossner 3. Glue the Organelle Chart as a flip page onto your notes 4. Glue your 6 tabs into your notebook. On the front of the tab, write the name of the organelle, flip to the back of the tab, and write the function on the back of the paper and the city analogy on your notebook where the tab would hide it.
15 NOTEBOOK CHECK! AGENDA 1. Lecture 2. Organelle Flip Page 3. Processing Task 4. Fix your notebooks Make sure: Table of contents (include Unit: Cells) Page numbers Each assignment is complete GLOSSARY
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