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IB2.2.4 Bacterial and fungal cells © Oxford University Press 2011 Bacterial and Fungal Cells
IB2.2.4 Bacterial and fungal cells © Oxford University Press 2011 Bacterial cells At first sight, bacterial cells look simple but they carry out all the functions of other cells. These cells are very small and can only just be seen using the light microscope. To see the detail, biologists use high-powered electron microscopes. These microscopes magnify thousands of times more than a light microscope.
IB2.2.4 Bacterial and fungal cells © Oxford University Press 2011 In common with plant and animal cells, bacterial cells have: cell membrane – controlling the movement of molecules into and out of the cell cytoplasm – a jelly-like substance where most of the cell’s reactions occur cell wall – as in a plant cell, for maintaining the shape of the cell but made of a different chemical instead of cellulose ribosomes – which make proteins. Bacterial cells also have parts not found in plant and animal cells: a loop of DNA – bacterial cells do not have a nucleus but they contain DNA which controls the cell capsule – some bacteria have a slimy capsule around the outside of the cell wall which protects them, for example, against antibiotics. Features of bacterial cells
IB2.2.4 Bacterial and fungal cells © Oxford University Press 2011 Typical bacterial cells
IB2.2.4 Bacterial and fungal cells © Oxford University Press 2011 Fungal cells Fungal cells are larger than bacterial cells and can be clearly seen using a light microscope. The fungal cell has a membrane, cytoplasm and nucleus which function as they do in plant cells. The fungal cell wall is similar to that of a plant or bacterial cell and has the same function. However, it is made of a third chemical called chitin.
IB2.2.4 Bacterial and fungal cells © Oxford University Press 2011 Typical fungal cells
Cells All livings things are made of cells.. Cells are very small, so large organisms contain millions of cells. Some organisms are unicellular. These.
PLANT CELL PARTS ANIMAL CELL PARTS CELL PARTS THAT ARE COMMON TO PLANT AND ANIMAL CELLS CELL MEMBRANE: INSIDE THE CELL WALL (PLANT) AND THE OUTSIDE.
CELLS 1.All living things are made of cells which are either unicellular eg bacteria and yeast or multicellular organisms. 2.Microscopes are used to study.
A close up on a cell. Living things are called organisms Organisms are made up of one or more cells Your body is made up of trillions! of cells Cells.
1 of 7© Boardworks Ltd of 7© Boardworks Ltd 2008 What is a cell? Animal and plant cells come in different shapes and sizes, but they all have.
The differences between plant and animal cells What are the differences between them? Animal cells Plant cells.
Cells. What are cells? Cells are the basic units of all living things (plants, animals and humans) Cells are not exactly the same in their shape and.
The Cell hangze.liu p6. The Cell The cell is one of the most basic units of life. There are millions of different types of cells. There are cells that.
Cell Overview Cells are the basic unit of structure in living things Cells are highly specialized, and can change from organism to organism. Cells are.
Cell Structure & Function 2 Major Classes of Cells & the Organelles.
Cell Membrane Every cell is surrounded by a protective membrane called a cell membrane. This membrane is flexible & protects the inside of the cell from.
Animal Cell Animal cells are bounded by a cell membrane that controls entry and exit of substances. The cytoplasm is the “factory” part of the animal cell.
Cells. How do we study cells? Light Microscope: Magnify about 1000 times Electron Microscope: uses electron beams and magnifies 1,000,000 times. Used.
The Cell and Cell Structures How are cells structured to do the “right” thing?
Cell Organelles. 1. All living things are made of cells 2. The cell is the basic structural and functional unit of life. 3. All cells come from pre-existing.
Ch. 6 Lesson 2 The basic unit of an organism. Organelles are structures in cells that carry out specific functions Cell membrane – (SECURITY GUARD) protects.
Cells Part I Cells I Living Things: Highly organized Convert energy for their own use Control internal environment (Homeostasis) Have adaptations.
Overview of the Science Course. What do the following have in common?
NOTES –2 Main Groups of Eukaryotic Cells. All eukaryotic cells have a… cell membrane, cytoplasm, and DNA in a nucleus (and ribosomes too)
Asperges Erika Corvace Giusy. Introduction Animal cells Plant cells Bacteria cells.
Discovery of Cells.
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Jeopardy The basic unit of all living things Inside the cell MiscellaneousCell chemistry Cell energy In and Out of Cells Final Jeopardy.
2.1 Cell Structure & Microscopy 1 Follow-Me – iQuiz.
Cells. Long, Long Ago…. Before microscope, people thought that diseases were caused by curses and supernatural spirits Microscopes enabled scientists.
Cell Structure and Organization. Learning Objectives State that living organisms are made of cells Identify and describe the structure of a plant cell.
CELLS- Chapter 2 Common cell traits Cell membrane- a cells outer covering And Cytoplasm- gelatinlike substance -
The Cell Review of Cell Theory Organelles of Plant and Animal Cells.
Cells Learning objectives: To know: the functions of the different parts of a cell; the differences between animal and plant cells; the differences between.
Cell Comparisons Plant vs Animal Cells. Prokaryotic Cells Bacteria and Archaebacteria ONLY NO Nucleus! DNA is free floating NO organelles! All chemical.
All living things are made of cells. Cells carry out the functions needed to support life. Cells come only from other living cells.
LESSON 1: Prokaryotic and Eukaryotic Cells LEARNING OUTCOMES By the end of the lesson, you should be able to: Describe the structure of prokaryotic and.
Cell structures & Functions Animal Cell Plant Cell Bacterial Cell.
Cells Section 1 – Microscope Section 2 – Prokaryotic and Eukaryotic cells, cell membrane Section 3 – Cell organelles.
Cell “Organ”elles “TYPICAL” ANIMAL CELL “TYPICAL” PLANT CELL.
A View of the Cell Chapter 7 Notes. Microscopes The microscope was invented by Leeuwenhoek. A compound light microscope has a series of lenses and.
the basic unit of structure and function of life. living units able to make more of themselves(replicate). different depending on their function.
Cell Structure & Function
Prokaryotes vs. Eukaryotes Prokaryotes: *NO NUCLEUS, but do have nucleiod region with DNA present *Small and Simple – few organelles *Have cell membranes.
Cells - the basic unit of living organisms; weren’t discovered until the invention of the m mm microscope (Anton van Leewenhoek). The Discovery of Cells.
The Organization of Cells. 1. The Cell: The Basic Unit of Life The Cell: The Basic Unit of Life The Cell: The Basic Unit of Life 2. Prokaryotic Cells.
Chapter 7.1 Microscope & Cell. Microscope A microscope is an instrument used to make small objects look larger.
Cell Organelles and Functions Cell Organelle Nucleus Nucleolus Mitochondria Chloroplast Ribosomes Endoplasmic Reticulum Golgi Bodies Lysosomes Cell Wall.
Organisms may be divided into two main forms :prokaryotic and eukaryotic This is a typical prokaryotic bacterial cell and shows the following features.
Section 1: Discovering Cells What are Cells? Cells are the basic units of structure and function in living things.
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Biology Review Chapters Key Concepts covered so far...
Warm-up What is the difference between eukaryotic and prokaryotic cells? Which type of cells do humans have? So which type of cell is more complex?
Chapter 4. Schwann, Schleiden and Virchow are credited with coming up with the basics of the cell theory 3 components: ◦ 1.All living organisms are.
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