Aim # 42: What is the cell theory? Date: May 11th, 2017 Aim # 42: What is the cell theory? HW: Test next Thursday on Life Functions, Microscopes, Cell Theory and Organelles Do Now: What do we call living things that are made up of one cell? What do we call living things that are made up of many cells?
I. Main Ideas of Cell Theory Cell Theory states that All living things are made of cells Name any living thing, I’ll show you its cells
2. Cells are the basic units of structure and function in organisms Structure and function are related
https://vimeo.com/37432287 CNIDOCYTE NERVE CELL EPIDERMAL CELL
GUARD CELL SPERM CELL EGG CELL
3. All cells come from preexisting cells Cell Division www.youtube.com/watch?v=4OpBylwH9DU
Anton Van Leeuwenhoek 1600s Developed simple light microscopes that allowed him to examine tiny living organisms he called “animacules”
Robert Hooke 1665 What is this? Cork Cells First compound microscope First person to use the word “cell”
Matthias Schleiden 1838 ALL PLANTS ARE MADE UP OF CELLS!!
Theodor Schwann 1838 ALL ANIMALS ARE MADE UP OF CELLS!!
Rudolf Virchow 1858 CELLS COME FROM PRE-EXISTING CELLS!
A Brief History of Cells https://app.discoveryeducation.com/learn/videos/0F 349698-ABEF-46B6-BC7C- 5E2162505768?hasLocalHost=false
II. Basic Types of Cells All cells contain organelles: specialized structures that carry out life functions Many organelles have a membrane
Prokaryotes: cells that do not contain membrane-bound organelles Most unicellular organisms are prokaryotic cells (bacteria, archaea) Syphillis-causing Treponema palidium Fecal sample of Gut Flora Extremophillic Archaea
Smaller, less complex The first cells were prokaryotes
2. Eukaryotes: cells that contain membrane-bound organelles Some unicellular and all multicellular organisms are made of eukaryotic cells (protists, fungi, plants, and animals)
Larger, more complex Most importantly, eukaryotes contain a nucleus: the central membrane-bound organelle that controls cell function learn.genetics.utah.edu/content/cells/scale/
IV. Multicellular Organization Organelles make up cells Cells make up tissue Tissue make up organs Organs make up organ systems Organ Systems make up organisms ORGANISM ORGAN SYSTEM ORGAN TISSUE CELL
Aim # 42: What is the cell theory? Date: May 11th, 2017 Aim # 42: What is the cell theory? HW: Test next Thursday on Life Functions, Microscopes, Cell Theory and Organelles Do Now: 1) Name the two types of cells we discussed yesterday and describe how they are different. Provide examples of each!
Brain Pop: Cells https://www.brainpop.com/health/bodysystems/cell s/