Cell Theory Timeline - Kyrene School District

Cell Theory Timeline - Kyrene School District

Cell Theory Timeline Cell Theory 1. All living things are made of cells. 2. Cells are the basic units of life. 3. Living cells only come from other living cells.

Aristotle 334 B.C.E. Aristotle observed nature directly. He classified all known organisms as either plants or animals. B.C.E.= Before Common Era

It all started with The first microscope! Zacharias and Hans Jansen 1595 Middleburg, Holland Placed two lenses in a

tube Hans & Zacharias Janssen 1595 Hans & Zacharias Janssen produced the first compound microscope by lining up 2 lenses.

Robert Hooke 1665 Robert Hooke observed lining matter (cork cells) through a compound microscope, which reveals empty cells. He is the first to call the spaces in the cork cells which means little rooms.

Anton van Leeuwenhoek 1675 Anton van Leeuwenhoek observed living bacteria and blood cells through a simple microscope. Matthias Schleiden 1838

Matthias Schleiden discovered that plants were made of cells. He believed plant growth happened through the production of new cells Theodor Schwann 1839

Theodor Schwann states all animals are made of cells. Believed plant and animal cells were different in structure, but the cell was the basic unit for life. William Henry Perkin 1856

William Henry Perkin develops an intense purple dye, which is used to stain slides. Rudolph Virchow 1858 Rudolph Virchow states Cells are the last link in a great chain that forms tissues, organs,

systems, and individuals. Where a cell exists, there must have been a preexisting cell. Cells can only arise from preexisting cells He also stated that diseases caused changes in a normal cell

Recently Viewed Presentations

  • OPENGL Survival Guide What Doesnt OpenGL Do?!? OpenGL

    OPENGL Survival Guide What Doesnt OpenGL Do?!? OpenGL

    A complete specification can be found in the red book. Point and Line Details. glPointSize. glLineWidth. This size control the size of dot on screen. ... OpenGL multiplies new matrices as right side matrices. Current Matrix = C * v....
  • OMorFi - Biogov

    OMorFi - Biogov

    E.g. LDC and ELDA. B. LEGAL TRENDS AND MOVEMENTS ... E. CLARIN LEGAL MODEL AND FIELD TEST. 12.9.2012. Automatic access to ACA resources can be granted if the individual is known through an identity provider, and if it can be...
  • Headline 24pt Arial Bold

    Headline 24pt Arial Bold

    Chris Austin, Rania Uwaydah Mardini, Suzie Webb, Adrian Pulham. June 2019 / IAESB. Agenda. Handover Notes. Strategic Advice. IFAC New Model for Accounting Education. IFAC New Model for Accounting Education. Downloading… IAESB Knowledge. Handover Pack. June 2019 / IAESB.
  • Discover Biology, 5th Ed., C8

    Discover Biology, 5th Ed., C8

    Redox Reaction. Paired together: 6CO 2 + 6H 2 O + ATP C 6 H 12 O. 6 Reduction reactions. Gain electrons. CO. 2. is reducedOxidation reactions. Lose electrons. H atoms are oxidized in H. 2. O4 Fe + 3O....
  • Part Five Chapter Entering Foreign Markets Competing in

    Part Five Chapter Entering Foreign Markets Competing in

    Timing of Entry Scale of Entry External or "arms-length" Modes of Entry External or "arms-length" Modes (cont.) "Internal" Modes of Entry No Slide Title No Slide Title Exporting Promise and Pitfalls Export Performance Improvement Export/Import Financing
  • Intro to Investing Pop Quiz Get out a

    Intro to Investing Pop Quiz Get out a

    The Stock Market Game! Over the next month, you will be in charge of your own investment portfolio, using the website howthemarketworks.com. This is a simulation that uses fake money to invest in the stock market, at real prices.
  • Welcome to Hornsey Library Library Provides : ed

    Welcome to Hornsey Library Library Provides : ed

    Welcome to Hornsey Library A COMPLETE LEARNING EXPERIENCE Printing Photocopy scanning (TOP UP Rs 150) Computers Newspaper Printed resources Library Provides : Magazines Wi-Fi access E-resources Numbers of books allowed per student Undergraduate: 2 books Postgraduate: 3 books Students who...
  • Audit of the sales and collection cycle: Tests of controls ...

    Audit of the sales and collection cycle: Tests of controls ...

    and collection cycle. 14-2 Describe the business functions and the related documents and . records in the sales and collection cycle. 14-3 Understand internal control, and design and perform tests of . controls and substantive tests of transactions for sales....