Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in...

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Transcript of Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in...

Page 1: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

CellsCells

Page 2: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

The Discovery of CellsThe Discovery of Cells

Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light microscope.

Page 3: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cell TheoryCell Theory

Cells are the smallest unit of living organismsCells are the smallest unit of living organisms All living organisms are composed of one or All living organisms are composed of one or

more cellsmore cells Cells arise from existing cellsCells arise from existing cells

Page 4: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Prokaryotic CellsProkaryotic Cells

Very simpleVery simple Always unicellularAlways unicellular No membrane-bound nucleus (That means No membrane-bound nucleus (That means

there is not a membrane around the DNA)there is not a membrane around the DNA) No membrane-bound organellesNo membrane-bound organelles

Bacteria, cyanobacteria (blue-green algae)Bacteria, cyanobacteria (blue-green algae)

Page 5: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.
Page 6: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Eukaryotic CellsEukaryotic Cells

Complex Cell StructureComplex Cell Structure Membrane-bound nucleusMembrane-bound nucleus Membrane-bound OrganellesMembrane-bound Organelles

Plants & animalsPlants & animals

Page 7: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Animal Cell

Page 8: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Plant Cell

Page 9: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Inside the cells are organelles

Page 10: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Organelles Found In BOTH plant and animal cells:

Page 11: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Nucleus• Surrounded by a double membrane called

the nuclear membrane

• Contains DNA

• Controls cell

functions

Page 12: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Nucleus

Page 13: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Nucleus

Page 14: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Nucleolus

• Located in the nucleus

• Synthesizes

ribosomes

Page 15: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Nucleolus

Page 16: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Nucleolus

Page 17: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Ribosomes

• Protein Synthesis

• Made of protein and RNA

Page 18: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Ribosomes

Page 19: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Ribosomes

Page 20: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Endoplasmic Reticulum

• Membrane where chemical reactions take place.

• Rough ER – covered with ribosomes. Site of protein synthesis. Located next to the nucleus.

• Smooth ER – not covered with ribosomes. Site of lipid synthesis and carbohydrate metabolism.

Page 21: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Rough Endoplasmic Reticulum

Page 22: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Rough ER

Page 23: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Smooth Endoplasmic Reticulum

Page 24: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Mitochondria• Converts

stored energy (ATP) into cellular energy

• Has it’s own DNA

Page 25: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Mitochondria

Page 26: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Mitochondria

Page 27: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Golgi Apparatus

• Stores macromolecules

until they are needed

by the cell.

Page 28: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Golgi Apparatus (AKA Golgi Complex, Golgi Bodies)

Page 29: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Golgi Apparatus

Page 30: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cytoskeleton

• Network of protein fibers

• Helps give the cell structure.

• Involved in transport of organelles around the cell

Page 31: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cytoskeleton

Page 32: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cytoskeleton

Page 33: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cell membrane

Double layer of phospholipids

Controls what enters and leaves

the cell

Page 34: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cell Membrane

• Also called plasma membrane

• Controls what enters and leaves the cell

• Made of a phospholipid bilayer– Hydrophilic heads face out– Hydrophobic tails face in

Page 35: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.
Page 36: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cell membrane

Page 37: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Organelles Found ONLY In plant cells:

Page 38: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Chloroplast

• Site of photosynthesis

Page 39: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Chloroplasts

Page 40: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cell WallGives the cell structure and support

Page 41: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Central Vacuole• Often the largest

structure in a

plant cell

• Contains water

and organics

• Helps keep the

cell rigid (maintains turgor pressure)

Page 42: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Central Vacuole

Page 43: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Organelles Found ONLY In animal cells:

Page 44: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Centrioles

• Involved in

cell division

Page 45: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Centrioles

Page 46: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Lysosomes

Contains digestive enzymes.

Page 47: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Structures used by unicellular organisms for

movement:

Page 48: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Cilia

Page 49: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Lung Tissue

Page 50: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

Flagella

Page 51: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.
Page 52: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.
Page 53: Cells. The Discovery of Cells Robert Hooke, and English scientist, discovered and named cells in 1665. He looked at thin slices of cork through a light.

NUCLEUSNUCLEOLUSROUGH ENDOPLASMIC RETICULUM

GOLGI APPARATUS

SMOOTH ENDOPLASMIC RETICULUM

MITOCHONDRIARIBOSOME


Cells Structure and Function Discovery of Cells The invention of the lens Robert Hooke (1665): observed a thin slice of cork (dead plant cells) with.

Cells Structure and Function Discovery of Cells The invention of the lens Robert Hooke (1665): observed a thin slice of cork (dead plant cells) with.

The Plant Cell. EARLY STUDIES OF CELLS n English scientist Robert Hooke was the first person to describe cells in 1665. n Hooke examined the microscopic.

The Plant Cell. EARLY STUDIES OF CELLS n English scientist Robert Hooke was the first person to describe cells in 1665. n Hooke examined the microscopic.

Cell Structure. I. Looking at Cells A. Scientists only became aware of cells after the invention of the microscope. 1. 1665:Robert Hooke observed.

Cell Structure. I. Looking at Cells A. Scientists only became aware of cells after the invention of the microscope. 1. 1665:Robert Hooke observed.

Cell Theory - ahschools.us€¦ · Cell Theory Cells were discovered in 1665 by Robert Hooke. Early studies of cells were conducted by - Mathias Schleiden (1838) - Theodor Schwann

Cell Theory - ahschools.us€¦ · Cell Theory Cells were discovered in 1665 by Robert Hooke. Early studies of cells were conducted by - Mathias Schleiden (1838) - Theodor Schwann

CELLS AND CELL THEORY. CELL SCIENTISTS Robert Hooke-1665, observed small cavities in cork which he called cells.

CELLS AND CELL THEORY. CELL SCIENTISTS Robert Hooke-1665, observed small cavities in cork which he called cells.

INTRODUCTION TO CELLS. History of Cells Robert Hooke, 1665 Anton von Leeuwenhoek, 1674 Matthias Schleiden, 1838 Theodor Schwann, 1839 Rudolph Virchow,

INTRODUCTION TO CELLS. History of Cells Robert Hooke, 1665 Anton von Leeuwenhoek, 1674 Matthias Schleiden, 1838 Theodor Schwann, 1839 Rudolph Virchow,

Chapter 4 A Tour of the Cell. History of Cells u Robert Hooke - Observed cells in cork. u Coined the term "cells” in 1665.

Chapter 4 A Tour of the Cell. History of Cells u Robert Hooke - Observed cells in cork. u Coined the term "cells” in 1665.

Cells. Robert Hooke -1665 In his book, entitled Micrographia, Hooke was the first to use the term cell From the Latin “cella” meaning “small chamber”

Cells. Robert Hooke -1665 In his book, entitled Micrographia, Hooke was the first to use the term cell From the Latin “cella” meaning “small chamber”

Lesson 4: Cell Composition February 4, 2015. 2 Cells Cells were discovered in 1665 by Robert Hooke Early studies of cells were conducted by – Mathias.

Lesson 4: Cell Composition February 4, 2015. 2 Cells Cells were discovered in 1665 by Robert Hooke Early studies of cells were conducted by – Mathias.

INTRODUCTION TO CELLS. Robert Hooke naturalist, philosopher, inventor, architect.... (July 18, 1635 - March 3, 1703) In 1665 Robert Hooke publishes his.

INTRODUCTION TO CELLS. Robert Hooke naturalist, philosopher, inventor, architect.... (July 18, 1635 - March 3, 1703) In 1665 Robert Hooke publishes his.

CELLS History, Parts, Functions. Robert Hooke 1665.

CELLS History, Parts, Functions. Robert Hooke 1665.

Introduction – Chapter 4 Cells are the simplest collection of matter that can live. Cells were first observed by Robert Hooke in 1665. Working with more.

Introduction – Chapter 4 Cells are the simplest collection of matter that can live. Cells were first observed by Robert Hooke in 1665. Working with more.

Introduction to Cells Biology A/Cells. The Discovery Cells were first discovered in 1665 when Robert Hooke observed a slice of cork under a microscope.Cells.

Introduction to Cells Biology A/Cells. The Discovery Cells were first discovered in 1665 when Robert Hooke observed a slice of cork under a microscope.Cells.

Ch. 7 Notes. Robert Hooke (1665). Observed “cork.” Said “cork was made of little compartments that looked like monk’s “cells.” History of Cells.

Ch. 7 Notes. Robert Hooke (1665). Observed “cork.” Said “cork was made of little compartments that looked like monk’s “cells.” History of Cells.

Chapter 3 Cells I. Cells A. History 1. Robert Hooke a. English physicist b. Examined cork slices, used the term "cell" (1665) to describe compartments.

Chapter 3 Cells I. Cells A. History 1. Robert Hooke a. English physicist b. Examined cork slices, used the term "cell" (1665) to describe compartments.

Chp. 7- Cell Theory & Parts. The Discovery of Cells Robert Hooke (1665) –Looked at cork under a microscope. –Saw many little boxes. –Called them cells.

Chp. 7- Cell Theory & Parts. The Discovery of Cells Robert Hooke (1665) –Looked at cork under a microscope. –Saw many little boxes. –Called them cells.

Introduction to Cells and the Microscope. Brief history of cells… 1665 Hooke sees “cells” in cork 1674 Van Leeuwenhoek observes living cells in water.

Introduction to Cells and the Microscope. Brief history of cells… 1665 Hooke sees “cells” in cork 1674 Van Leeuwenhoek observes living cells in water.

The Cell The basic unit of life. Cell History Cytology- study of cells 1665 English Scientist Robert Hooke Used a microscope to examine cork (plant) Hooke.

The Cell The basic unit of life. Cell History Cytology- study of cells 1665 English Scientist Robert Hooke Used a microscope to examine cork (plant) Hooke.

Cells Biology. Discovery of Cells Robert Hooke-1665 ▫Biologist, inventor, architect physicist, astronomer ▫30x, cork…cells Anton van Leeuwenhoek ▫300x,

Cells Biology. Discovery of Cells Robert Hooke-1665 ▫Biologist, inventor, architect physicist, astronomer ▫30x, cork…cells Anton van Leeuwenhoek ▫300x,

The Cell Theory - Weber School Districtblog.wsd.net/tiswenson/files/2012/01/The-Cell-Theory...Discovery of Cells 1665- English Scientist, Robert Hooke, discovered cells while looking

The Cell Theory - Weber School Districtblog.wsd.net/tiswenson/files/2012/01/The-Cell-Theory...Discovery of Cells 1665- English Scientist, Robert Hooke, discovered cells while looking