Transcript Pre – AP Biology

Pre – AP Biology
Types of Cells and Cell Structures
Part 1
Henri Dutrochet
Cell is the basic unit of life
Theodor Schwann
All animals are composed of cells
Matthias Schleiden
All plants are composed of cells
Rudolf Virchow
All cells come from pre-existing cells
Robert Hooke
His simple microscope
Anton von Leeuwenhoek
Compound microscope
Anton’s Microscope
Modern Light Microscopes
Microscopic Resolution
Different types of light microscopes
Electron Microscope
They can be very large and expensive
Inside an electron microscope
Images from an electron microscope
Transmission (left)/Scanning (right)
Prokaryotic Cell Structure
Eukaryotic Cell (plant)
Eukaryotic Cell (animal)
Surface Area to Volume
relationship
Pre – AP Biology
Types of Cells and Cell Structures
Part 2
Nucleus Structure
Chromatin vs. Chromosomes
appearance within the cell.
Ribosome Structure
Pre – AP Biology
Types of Cells and Cell Structures
Part 3
Endoplasmic Reticulum
Golgi Apparatus
Lysosomes
Central Vacuole of a plant
Contractile Vacuole of aquatic single celled organisms
Used to get rid of excess water so that the cell does not
burst
Endocytosis
Mitochondrial Structure
Notice the two different “spaces”
Chloroplast Structure
Notice the two different “spaces”
Lynn Margulis
Endosymbiont Hypothesis
Pre – AP Biology
Types of Cells and Cell Structures
Part 4
Cytoskeleton
Microtubules - Centrioles
Microtubules – Cilia or Flagella
Microfilaments used in various
cells for movement
Actin and Myosin in Muscle tissue
Muscle Tissue under the
Microscope
Can you see the actin and myosin bands?
Plant cell wall structure
Extra-cellular matrix of animal cells
Cellular junctions helping to make
tissues from individual cells
Cells from your lung tissues
Junctions between plant cells
Cells are the sum of it’s parts
They need all parts to function properly