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Quiz Extra Credit Questions (1 pt each)
What part of the Grilled Cheese Sandwich was a: Lipid: Protein: Carbohydrate:
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DO NOW!!! F, T, F, F All cells have the same structure and function.
Prokaryotes do not have a nucleus. Plant cells are the same as animal cells. All organism are multicellular. F, T, F, F
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Cell Structure and Function
Unit 1 Lesson 3
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Prokaryotic vs Eukaryotic
2 types of cells Big difference: Prokaryotes – no nucleus Eukaryotes - nucleus Prokaryotes = primitive cells = bacteria
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Characteristics of eukaryotic cells
Eukaryotic cells differ - depending on their structure and function. Structure - arrangement of parts. Function - activity the parts carry out. All eukaryotic cells - nucleus, membrane-bound organelles, parts that protect and support cell. 5
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Cell Membrane & Cytoskeleton
Cell membrane – protects cell by serving as a boundary between inside and outside Regulates what enters and leaves cell. Cytoskeleton – network of protein filaments that give shape and support to cell Helps in cell division and movement. 6
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Nucleus Contains cell’s genetic material (DNA).
Surrounded by a nuclear membrane -controls what goes in and out through nuclear pores. 9
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DNA Genetic info – in nucleus.
Found on chromosomes – 23 pairs or 46 total in each human cell Have instructions for making proteins
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Nucleus The nucleolus is the nuclear subdomain that assembles ribosomal subunits in eukaryotic cells. The nucleolar organiser regions of chromosomes, which contain the genes for pre‐ribosomal ribonucleic acid (rRNA), serve as the foundation for nucleolar structure.
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Activity Cell Explorer: The Animal Cell Complete Mission 1: Recon Learn parts of the cell
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HW Read pages 28 to 29 in your textbook and complete questions 8 through 11.
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Label Animal Cell Worksheet
DO NOW!!! Label Animal Cell Worksheet
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Organelles found in Plant / Animal Cells
Cellular respiration - process where cells get energy by breaking down food. Mitochondria – where cellular respiration occurs. Have own DNA and 2 membranes. 15
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Surface area increases cellular respiration
Folded - more Surface area increases cellular respiration - Smooth Breaks down sugar to make ATP – energy for cell.
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Ribosomes Makes proteins – linking together chains of amino acids.
Not enclosed in membrane. Some free Some Attached The ribosomes that are free make proteins that stay inside the cell and the ribosomes that are attached to the ER. Make proteins that leave the cell. Such as hormones. 17
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The ER’s
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Folding membrane spotted with ribosomes
Creates proteins and new membranes
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No ribosomes on surface
Creates lipids and stores calcium. Detoxifies poisons, alcohol, and drugs.
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Golgi Complex (GC) Flattened membrane sacs – package / distributes materials Lipids + proteins from ER are modified in GC for different jobs. Pinched off parts of the GC membrane carry products out of cell or to other parts of cell 22
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Cell Drawing Group with partners of original cell drawing
Pick one: Mitochondria, Ribosome, Rough ER, Smooth ER, or Golgi Complex Draw a detailed picture of the organelle – write out its function Cut the picture out and glue it on your original cell drawing
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HW Read pages and complete questions 13 to 18.
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DO NOW!!! Complete question 19 on page 33 in your textbook. (Don’t sketch each organelle just complete the check marks)
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Organelles found in Plant Cells
Cell wall - rigid structure that surrounds the cell membrane Provides support and structure Some fungi, archaea, bacteria, and protists have cell walls. 28
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Vacuole Fluid-filled vesicle found in animal, plant, and fungi cells
Contains enzymes, nutrients, water, or waste. Plant cell - large central vacuole – stores water and supports cell 31
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Chloroplast Plant organelle where photosynthesis occurs.
Photosynthesis - process where cells use sunlight, carbon dioxide, and water to make sugar and oxygen. Have Green pigment called chlorophyll, which absorbs solar energy – makes them look green in color 33
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Organelles found in Animal Cells
Lysosomes - contain digestive enzymes. Break down damaged organelles, waste material, or foreign invaders. Some of these materials are collected in vacuoles. Lysosome attaches to the vacuole and releases the digestive enzymes inside. 36
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Animal Cell
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Activity Cell Explorer: The Animal Cell Complete Mission 4: Construct a cell. This will be a lab grade so take your time to construct it correctly. Use your notes to help you. Possibly use as a lab grade.
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HW Plant Cell Worksheet Complete the Lesson Review on Page 35
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Cellular
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Activity Day: Cell Bingo
Directions: With word list on board create your Cell Bingo Sheet – have another sheet where you write the definition for each word!!! Pens and Pencils Away We are playing 5 in a Row Bingo to start off with!!! When I call a word and say definition – you cancel out word First 5 in a row – WINS!!!!
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Full Board Bingo Directions:
Please take just your bingo board with all the Biology cell words on it out and place it in front of your at your desk!!!
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HW Complete the Structures of a Plant Cell Word Search Worksheet
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DO NOW!!! Hip Science – Cell Rap:
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Creating a Cell Model in a Bag
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Building a Model Cell Project
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