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Monday 11/21/16 AIM: How did scientists discover cells?
DO NOW: 1- Explain how the microscope helps in scientific discovery 2-In your own words explain the function of a cell. Homework: Review book read paGES answer questions 1,2,5,7 on pg 28-29
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DO NOW ANSWERS The microscope has made it possible to investigate a world that we cannot see with our naked eye The cell is the basic unit of life BUT WHAT DOES THAT MEAN? It means that it builds ALL living things and it is capable of performing ALL life processes
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Francisco Redi Living things come from other living things
Maggots come from flies which lay eggs on decaying meat
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How did we discover the cell?
The microscope
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Who discovered the first microscope
1590 Hans and Zacharias Janssen Ground up glass and used it to magnify
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Robert Hooke discovered cell
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1605 Robert Hooke Looked at cork plant
Noticed it was separated into tiny compartments which resembled jail cell
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One of the first users discovered protozoa
Anton von Leeuwenhoek Ground up glass
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1676 Anton von Leewenhoek Discovered living things in pond water
Small single celled organisms Ameba and paramecium
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Matheis Schleiden 1838 ALL plants are made up of cells not just the cork plant
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1839 Theodor Schwann Looked at animal tissue and saw that animals also were made up of cells
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1855 Rudolf virchow Cells come from preexisting cells
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Francisco Redi Living things come from other living things
Maggots come from flies which lay eggs on decaying meat
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The cell theory An explanation or theory about living things
All living organisms are composed of one or more cells The cell is the basic unit of structure and organization of all living organisms Cells come from preexisting cells
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The Cell
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The cell: the basic unit of life
Prokaryote Eukaryote
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Prokaryotes: Prokaryote (Greek - Before Nucleus) Prokaryotes were first group of organic organisms to evolve 3.8 BYA Prokaryote cells lack membrane bound nuclei, and organelles and reproduce asexually ALL PROKARYOTES ARE SINGLE CELLED
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Asexual reproduction of Prokaryotes
Budding: small identical bud grows and pinches off Binary fission: cell splits in two Both produce genetically identical cells
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Assessment Explain how the microscope helped in the development of the cell theory
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AIM: How can we determine the difference between organisms within different Kingdoms?
DO NOW:THE CELL 5. Read pages AS YOU READ, UNDERLINE THE MAIN POINT OF EACH PARAGRAPH. Answer questions1-4 pg 80. HOMEWORK: Textbook Read pages What does the cytoskeleton do? How does DNA direct activity in the cytoplasm? What organelles participate in protein production?
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Picture B Picture A
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AIM: How are living things placed into Kingdoms?
DO NOW: Explain the difference in the genetic arrangement of prokaryotes and eukaryotes. HOMEWORK:Textbook Read pages Answer questions 1,3,4 on page 161
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DO NOW: Use your scantron to circle the correct answers on your exam sheet!!!
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Tuesday 11/22/16 AIM: how does the type of cell determine the classification of an organism? DO NOW: observe the two cells below. List all of the similarities and differences of the cells.
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How are prokaryotes and eukaryotes different?
Organization of the nucleus Cell size Membrane bound organelles
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Cell types Prokaryote Eukaryote Kingdom EuBacteria
Kingdom Archaebacteria Eukaryote Kingdom Protista Kingdom Fungi Kingdom Plant Kingdom Animal
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Plasmid Extra chromosomal piece in prokaryotes
Bacterial plasmids are used in genetic engineering A human gene can be inserted into a bacterial plasmid in order to make the human protein Ex: Insulin
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Plasmid Isolation - Extraction of plasmid from a bacterial cell (Amrita University) - YouTube
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Kingdom Archaebacteria
Prokaryotic bacteria that live in EXTREME environments Halophiles Thermophiles Methanogens
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Kingdom Eubacteria ALL single celled bacteria
Heterotrophic: cannot make its own food Autotrophic: use sunlight to make their own food chemotrophic: make their own food from other organic compounds Prokaryote Normal every day bacteria
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Example of Eubacteria: E.Coli
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Streptococcus Eubacteria that causes strept throat
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Wednesday 11/23/16 AIM: How do eukaryotic cells function in different kingdoms? DO NOW: 1- Explain the difference between prokaryotes and eukaryotes 2- Explain the difference between Archaebacteria and Eubacteria 3- How do Eubacteria obtain food?
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Feeding Behavior Heterotrophs :other feeder Autotrophs : self feeder
Cannot make their own food absorb organic materials down in both living and dead organisms. Autotrophs : self feeder can make their own food by photosynthesis. Chemotrophs get their food by breaking down inorganic matter.
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Eukaryotic cells Means “True Nucleus” Plant, Animal, Protists, Fungi
All contain membrane bound organelles Organelle: tiny organ Functioning parts of the cell All eukaryotic cells are surrounded by an extra cellular matrix There are 2 types we will discuss, plants and animal cells
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Eukaryote Multi or Single celled organisms Protista Fungi Animal Plant
Parmecium Ameba Fungi Yeast Mushrooms Animal Plant
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Kingdom Protista characteristics
Eukaryotes Heterotrophic and Autotrophic Unicellular Mostly aquatic Mostly asexual Things like: slime molds and algae, paramecium, ameba, euglena
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Characteristics of the Kingdom Fungi
Eukaryote Heterotrophic Saprobes or saprophytic eat dead or decaying matter Unicellular and Multicellular Mostly terrestrial Asexual and sexual Mushrooms,molds, yeasts, puffballs
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Kingdom Fungi Unicellular yeast
Single celled Mostly asexual reproduction through budding Some by binary fission Used in baking and alcohol fermentation
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Kingdom Fungi Multicellular Mushroom
Heterotrophic saprobes Decomposer or recycler Breaks down dead and decaying matter to release back into the environment
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Characteristics of Plantae Kingdom
Eukaryote Multicellular Autotrophic Mostly Terrestrial Asexual and Sexual Nonmotile Things like: mosses, ferns, conifers, and flowering plants
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Autotrophic Photosynthetic
Autotroph: self feeder Make their own food through Photosynthesis
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Kingdom Animalia Heterotrophic eukaryotes
largest of the kingdoms in terms of its species diversity. Eukaryote Multicellular heterotrophs = other feeder multicellular In most animals, these cells are organized into tissues that make up different organs and organ systems.
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What do prokaryotes and Protista have in common?
What do humans and Protista have in common?
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AIM: How can we determine the difference between organisms within different Kingdoms?
DO NOW:THE CELL 5. Read pages AS YOU READ, UNDERLINE THE MAIN POINT OF EACH PARAGRAPH. Answer questions1-4 pg 80. HOMEWORK: Textbook Read pages What does the cytoskeleton do? How does DNA direct activity in the cytoplasm? What organelles participate in protein production?
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How do Eubacteria obtain food?
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Cyanobacteria Photosynthetic Eubacteria
Used to be called blue-green algae
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Wednesday 12/7/11 AIM:How can we determine the different characteristics of eukaryotes in different Kingdoms DO NOW: Explain the difference between an autotroph and heterotroph HOMEWORK: Read the rest of The Cell handout and answer the questions page
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Is the Dead Sea Dying? - Video - TIME.com
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Kingdom Archaebacteria
Prokaryotic bacteria that live in EXTREME environments Halophiles Thermophiles Methanogens
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Halophiles Can survive in extreme salty environments such as the dead sea
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Thermophiles Archaebacteria that live in extremely HOT environments
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Methanogens Make methane gas
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Assessment Explain the similarities and differences between Eubacteria and Archaebacteria
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AIM:How can we determine the different characteristics of eukaryotes iin different Kingdoms
DO NOW: 1- Explain the difference between an autotroph and heterotroph 2- you have 5 full minutes to study for the quiz HOMEWORK: Handout A closer look at the human cell. Read the first page and answer questions 1-3,6-8 and 10 ONLY!!!!!!!
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DO NOW ANSWER Autotroph: Make their own food
Heterotroph: obtain food from other sources
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Eukaryote Multi or Single celled organisms Protista Fungi Animal Plant
Parmecium Ameba Fungi Yeast Mushrooms Animal Plant
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How are all eukaryotic organisms similar?
True nucleus Membrane bound organelles
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Kingdom Protista characteristics
Eukaryotes Heterotrophic and Autotrophic Unicellular Mostly aquatic Mostly asexual Things like: slime molds and algae, paramecium, ameba, euglena
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Friday AIM: What are some of the characteristics of the different Eukaryotic organisms? DO NOW: 1- Review your prokaryotic notes 2- Explain why plasmids are important. 3-Explain how prokaryotes reproduce Homework: Create flashcards for each organelle of the prokaryote Pili, flagella, capsule,cell wall, cell membrane, nucleoid,ribosome and plasmid
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Kingdom Protista: Paramecium
Oral groove: ingest nutrients Gullet: back of the throat and digestive system Cilia: movement Contractile vacuole: able to contract and expel excess water Food vacuole: responsible for digestion
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Paramecium Feeding!! - YouTube
Amoeba in motion - YouTube
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Kingdom Protista: Ameba
Psudopods: movement Phagocytosis
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Paramecium vacuole - YouTube
phagocytose 1 - YouTube Paramecium vacuole - YouTube
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How can we determine the difference between an Archaebacteria and a Eubacteria?
Archaebacteria live in extreme environments Eubacteria live in normal environments
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For your flash cards Capsule: is the outermost part of the prokaryotic cell. Release a slime that helps in movement and infection
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Characteristics of the Kingdom Fungi
Eukaryote Heterotrophic Saprobes or saprophytic eat dead or decaying matter Unicellular and Multicellular Mostly terrestrial Asexual and sexual Mushrooms,molds, yeasts, puffballs
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Kingdom Fungi Unicellular yeast
Single celled Mostly asexual reproduction through budding Some by binary fission Used in baking and alcohol fermentation
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Kingdom Fungi Multicellular Mushroom
Heterotrophic saprobes Decomposer or recycler Breaks down dead and decaying matter to release back into the environment
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Characteristics of Plantae Kingdom
Eukaryote Multicellular Autotrophic Mostly Terrestrial Asexual and Sexual Nonmotile Things like: mosses, ferns, conifers, and flowering plants
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Autotrophic Photosynthetic
Autotroph: self feeder Make their own food through Photosynthesis
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Kingdom Animalia largest of the kingdoms in terms of its species diversity. Eukaryote Multicellular heterotrophs = other feeder multicellular In most animals, these cells are organized into tissues that make up different organs and organ systems.
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Plant Cell:list all of the parts of the plant cell
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Review for Quiz 1-: You should be able to fill in the info on each Kingdom in the Table on the side board. Lets do it!!!! Any Volunteers to fill in cell types for alll 6 Kingdoms?
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Paramecium have an oral groove which takes food in
The gullet digests food to form a food vacuole Food vacuole stores food until it is digested
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Ameba Uses psuedopods to perform phagocytosis
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Contractile vacuole Help single celled aquatic organisms pump out excess water so that they do not drown All protista have contractile vacuole
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Kingdom fungi YOU MUST UNDERSTAND THAT THEY ARE SAPROBES
Recycle dead and decaying matter
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For the Prokaryote cell
Must know each part and function
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AIM:how do organelles help the cell function?
DO NOW: 1- Take out your cell handouts 2-Define the term organ and the term organelle 3-In your own words explain how the cell organelles are similar to the bodies organs. HOMEWORK: A closer look at the human cell handout, questions 1-10 should ALL be completed by tomorrow!!!! QUIZ FRIDAY!
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Monday 11/28/16 AIM: How are eukaryotic cells organized?
DO NOW: Create a table describing the characteristics for each Kingdom Homework: Handout 4-2 Vocabulary Multiple Choice 1,2,4. Short Answer 2 and 3. Bring in colored pencils markers or crayons by Wednesday
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Prokaryotes Kingdom Eubacteria Kingdom Archaebacteria
All prokaryotes have NO nucleus and are single celled
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Eukaryotes All have a true nucleus All have membrane bound organelles
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Kingdom Animalia organization
Cell Tissue Organ System organism
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Types of Eukaryotic Cells
Plant cell Animal cell
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The Cell The parts of a cell are called? Organelles.
Organelles means “little organs”
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Activity Use the diagram below to identify each cell part
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Plant Cell CENTRAL
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Activity Create a Venn diagram showing the organelles in animal cells, plant cells and both animal and plant cells When you are done work on handout 15-24
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AIM: Why are orgranelles tiny organs of the cell?
DO NOW: Handout Label the plant and animal cell. Homework: Textbook Read pages Cell Organization. For each organelle that you read about, list and give its function. THE CELL INTERNET PROJECT DUE TOMORROW!!!!! EXAM FRIDAY: CELLS
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Use your colored pencils to identify the following organelles
Nucleus: Pink Centriole: Orange Mitochondria: Purple Cytoplasm: Yellow Vacuole: White Endoplasmic Reticulum: Blue Golgi Bodies: Red Lysosome:Brown Chloroplast: green
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AIM: How do organelles work together to synthesize important molecules?
DO NOW: Why is the nucleus of eukaryotes surrounded by a double membrane? Homework: textbook page 169 questions 1-6
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DO NOW ANSWER In the nucleus are chromosomes
Chromosomes are made up of DNA Genes are a part of DNA Genes hold the code for all of your physical characteristics The double nuclear membrane protects the genetic material (chromosomes)
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Tuesday 11/29/16 AIM: How do organelles work together to make the cell a functioning unit? DO NOW: 1- What do yeast, wheat grass, human beings and paramecium ALL have in common? 2-What do ALL living things have in common? Homework: Review book read answer questions 3,4,6,8,9 on pg 29
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DoNoW answer Since they are all examples of eukaryotes, they all have a true nucleus and membrane bound organelles What do ALL living things have in common? They are all made up of cells 2 types of cells in the world: Prokaryote Eukaryote
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How are organelles related to cells?
QUESTION How are organelles related to cells?
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Nucleus The Brain of the cell Contains the Chromosomes
Nucleolus: RNA synthesis
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The nucleus “ the brain” of the cell
Controls all of the cell activities Because chromosomes contain genes Genes hold the code to build proteins Proteins cause chemical reactions Chemical Reactions control ALL life processes
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Nuclear Membrane or Nuclear Envelope
Separates Chromosomes from the rest of the cell. Double membrane Nuclear pores
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Chromosomes Made of DNA
Carry genes: instructions for building the body
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The Cell Membrane Surrounds the cell: creating a barrier
Allows materials to move in and out Maintain homeostasis
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Cytoplasm Jelly like material Supports the Organelles.
Many chemical reactions happen here. Made up mostly of water has many molecules and ions dissolved in it
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Mitochondria Site of cellular respiration (production of ATP)cellular energy Powerhouse of the cell
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Wednesday 11/30/16 AIM: How do cell organelles work together?
DO NOW: Explain why the nucleus is surrounded by a double membrane HOMEWORK: TEXTBOOK read Answer questions 1 and 2 on page 200
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Mitochondria Surrounded by a double membrane Outer membrane is smooth
Inner membrane folds into cristae Cristae increases surface area for cellular respiration
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Which cell would have the most mitochondria and why?
Heart muscle cell Stomach cell Skin cell Gall bladder cell The more energy a cell needs or the more active a cell is,the more mitochondria it will have
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Where does the energy for a cell originally come from?
GLUCOSE
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Ribosomes Site of protein synthesis (use information from DNA to make proteins) Very tiny Can float free in the cell or be bound to the Endoplasmic reticulum
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Endoplasmic Reticulum
Transports materials around the cell Network of passageways Can be smooth(no ribosomes) or rough (ribosomes
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Smooth ER: makes carbohydrates and lipids
Rough ER: holds ribosomes and makes proteins
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Golgi Body golgi apparatus
Receive Modify Package The post Office of the cell Makes vesicles to ship out molecules all over the cell Packages materials for export out of the cell
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Vesicle Membrane surrounding some type of molecule
Used to transport stuff from the GA to the rest of the cell Can fuse with the Cell membrane to Release contents
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How does the Golgi apparatus ship mature molecules to other parts of the cell?
ANSWER: Vesicle
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Centrosome structure Normally located outside of the nucleus
When the cell is getting ready to divide, they move to opposite ends or poles
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Centrioles and Spindle Fibers
Centrioles are anchor point for spindle fibers Spindle fibers appear during cell division
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How are the vacuole, vesicle and lysosome
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Lysosomes Contains enzymes that digest foreign particles and old cell parts digestive enzymes surrounded by a membrane
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lysosome Break down old and damaged cell parts
Break down food particles into their molecular components
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The cytoskeleton Network of protein fibers
Provide structure, support, transport
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Cytoskeleton
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Thursday 12/1/16 AIM: how can we determine the difference between a plant and animal cell? DO NOW: Handout MC Structures and function a-f. HOMEWORK: castle learning
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Vacuole Vacuoles are the storage compartments of the cell.
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Cilia Movement Hair like projections
Constantly beating which helps to remove foreign debris
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Flagella movement
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Parts of the Plant Cell Plants have organelles in them that Animal cells don’t have. 138
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Cell Wall Protective outer layer on plant cells Adds support
Cell walls in plants are made of cellulose.
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Cell Wall Rigid structure that encloses, supports and protects the cells of plants, algae, fungi and most bacteria.
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Chloroplasts Structures found only in the plant cell.
Site of photosynthesis. Photo = Light, Synthesis = To make. So Photosynthesis uses light to make glucose 141
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Chloroplast Contain Chlorophyll
Site of Photosynthesis ( the exact opposite of cellular respiration)
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Plant Cell only Central Vacuole
Space within the cell that can be used to store food, water or waste products. Vacuoles are the storage compartments of the cell.
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Just like complex organisms, cells are able to survive by coordinating various activities. Complex organisms have a variety of systems, and cells have a variety of organelles that work to help the cell survive. Describe the role of two organelles. In your answer be sure to include: The names of two organelles and the function of each. An explanation of how the organelle does it’s job. The name of the organelle and the name of a part of the human body that has a similar function.
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AIM: How did Eukaryotes develop from prokaryotes?
DO NOW: Why does the nucleus have a double membrane surrounding it? Homework: crossword puzzle
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Why do the mitochondria and chloroplast have two membrane?
Because they were once prokaryotes
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The Endosymbiont Theory
Created by Lynn Margulus States that eukaryotes evolved from a symbiotic relationship between two small prokaryotes that were ingested by a larger prokaryote
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Storage space for sap,food, water or waste products.
Central Vacuole Plant Cells Only Storage space for sap,food, water or waste products. Vacuole
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Chloroplast Contain Chlorophyll Site of Photosynthesis
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Write down a part of the cell we learned that you think is most important and describe why you think it is most important. Ask a neighbor what they thought was most important and why. Pick ONE. Why did you decide to pick that one?
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Animal Cell
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Parts of the Animal cell
Part # 1 – The Nucleus. The nucleus is the control center of the cell. It contains the chromosomes which are made of DNA.
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Part #2 – The Nuclear Membrane
The Nuclear Membrane surrounds the nucleus and keeps the Chromosomes separate from the cytoplasm.
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Part #2 – The Nuclear Membrane
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Part #3 – Chromosomes Structure found in the nucleus that contains hereditary material.
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Part #3 – Chromosomes
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Part #4 – Centrioles Cylindrical structures only found in animal cells that aid in replication (cell division).
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Part #5 - Mitochondria Breaks down food and releases energy.
Often called the powerhouse of the cell.
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Part #6 - Cytoplasm Gel-like liquid that all of the other organelles float around in. Most of the chemical reactions that occur in the cell happen in the cytoplasm.
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Part #7 – Cell Membrane Protective outer covering of all cells that regulates what goes in and out of the cell.
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Part #8 - Vacuole Space within the cell that can be used to store food, water or waste products. Vacuoles are the storage compartments of the cell.
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Part #9 – Endoplasmic Reticulum (ER)
Network of folded membranes that act as a transport system for materials in the cell. Can be Rough or Smooth. Rough ER – Has ribosomes attached to it. Smooth ER – No ribosomes attached to it.
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Part #10 - Ribosomes This organelle is used to make proteins within the cell. Ribosomes are like the factories of the cell where small structures (amino acids) are put together to form larger structures (proteins).
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Parts of the Plant Cell Plants have organelles in them that Animal cells don’t have.
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Part #1 - Ribosomes This organelle is used to make proteins within the cell. Ribosomes are like the factories of the cell where small structures (amino acids) are put together to form larger structures (proteins).
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Part #2 – Endoplasmic Reticulum (ER)
Network of folded membranes that act as a transport system for materials in the cell. Can be Rough or Smooth. Rough ER – Has ribosomes attached to it. Smooth ER – No ribosomes attached to it.
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Part #4 - Nucleus The nucleus is the control center of the cell.
It contains the chromosomes that are made of DNA.
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Part #2 – The Nuclear Membrane
The Nuclear Membrane surrounds the nucleus and keeps the Chromosomes separate from the cytoplasm.
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Part #6 – Chromosomes Structure found in the nucleus that contains hereditary material.
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Nuclear membrane and Chromosomes
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Part #7 – Cell Membrane Protective outer covering of all cells that regulates what goes in and out of the cell.
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Part #8 - Cytoplasm Gel-like liquid that all of the other organelles float around in. Most of the chemical reactions that occur in the cell happen in the cytoplasm.
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Part #9 - Mitochondria Breaks down food and releases energy.
Often called the powerhouse of the cell.
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Part #10 – Chloroplasts Structures found only in the plant cell.
Site of photosynthesis. Photo = Light, Synthesis = To make. So Photosynthesis is to make something (glucose) using Light!
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