Types of Cells and Cell Structures Part 1

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Presentation transcript:

Types of Cells and Cell Structures Part 1 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

Types of Cells and Cell Structures Part 2 Pre – AP Biology Types of Cells and Cell Structures Part 2

Nucleus Structure

Chromatin vs. Chromosomes appearance within the cell.

Ribosome Structure

Types of Cells and Cell Structures Part 3 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

Types of Cells and Cell Structures Part 4 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

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