cell structure & functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… ·...
TRANSCRIPT
![Page 1: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/1.jpg)
Cell Structure
& Function
http://koning.ecsu.ctstateu.edu/cell/cell.html
![Page 2: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/2.jpg)
Cell Theory
• All living things are made up of cells.
• Cells are the smallest working units of all
living things.
• All cells come from preexisting cells
through cell division.
![Page 3: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/3.jpg)
Definition of Cell
A cell is the smallest unit that is
capable of performing life
functions.
http://youtu.be/ZaxaPovfNdE
![Page 4: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/4.jpg)
Examples of Cells
Amoeba Proteus
Plant Stem
Red Blood Cell
Nerve Cell
Bacteria
![Page 5: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/5.jpg)
Two Types of Cells
•Prokaryotic
•Eukaryotic
![Page 6: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/6.jpg)
Prokaryotic
• Do not have structures surrounded by membranes
• Few internal structures
• One-celled organisms, Bacteria
http://library.thinkquest.org/C004535/prokaryotic_cells.html
![Page 7: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/7.jpg)
Eukaryotic• Contain organelles surrounded by membranes
• Most living organisms
Plant Animal
http://library.thinkquest.org/C004535/eukaryotic_cells.html
![Page 8: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/8.jpg)
“Typical” Animal Cell
http://web.jjay.cuny.edu/~acarpi/NSC/images/cell.gif
![Page 9: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/9.jpg)
http://waynesword.palomar.edu/images/plant3.gif
“Typical” Plant Cell
![Page 10: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/10.jpg)
Cell Parts
Organelles
![Page 11: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/11.jpg)
Surrounding the Cell
![Page 12: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/12.jpg)
Cell Membrane
• Outer membrane of cell
that controls movement
in and out of the cell
• Double layer
Click on the link to watch
the video on cell wall and
cell membrane
http://youtu.be/-
aSfoB8Cmic
http://library.thinkquest.org/12413/structures.html
![Page 13: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/13.jpg)
Cell Wall
• Most commonly found in
plant cells & bacteria
• Supports & protects cells
http://youtu.be/aSfoB8Cmic
http://library.thinkquest.org/12413/structures.html
![Page 14: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/14.jpg)
Inside the Cell
![Page 15: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/15.jpg)
Nucleus
• Directs cell activities
• Separated from cytoplasm by nuclear
membrane
• Contains genetic material – DNA
Watch this video on nucleus
http://www.brightstorm.com/science/biology/
parts-of-a-cell/nucleus/
![Page 16: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/16.jpg)
Nuclear Membrane
• Surrounds nucleus
• Made of two layers
• Openings allow
material to enter and
leave nucleus
http://library.thinkquest.org/12413/structures.html
![Page 17: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/17.jpg)
Chromosomes
• In nucleus
• Made of DNA
• Contain instructions
for traits &
characteristics
Watch this video clip on
chromosomes
http://youtu.be/xUrlreMa
Urs
http://library.thinkquest.org/12413/structures.html
![Page 18: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/18.jpg)
Nucleolus
• Inside nucleus
• Contains RNA to build
proteins
http://library.thinkquest.org/12413/structures.html
![Page 19: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/19.jpg)
Cytoplasm
• Gel-like mixture
• Surrounded by cell membrane
• Contains hereditary material
![Page 20: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/20.jpg)
Endoplasmic Reticulum• Moves materials around
in cell
• Smooth type: lacks
ribosomes
• Rough type (pictured):
ribosomes embedded in
surface
http://library.thinkquest.org/12413/structures.html
![Page 21: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/21.jpg)
Ribosomes
• Each cell contains
thousands
• Make proteins
• Found on ribosomes
& floating throughout
the cell
http://library.thinkquest.org/12413/structures.html
![Page 22: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/22.jpg)
Mitochondria• Produces energy through
chemical reactions –
breaking down fats &
carbohydrates
• Controls level of water and
other materials in cell
• Recycles and decomposes
proteins, fats, and
carbohydrates
Watch this video on the Mitochondira
http://science360.gov/obj/video/3f83df2e-6513-4728-a1d6-1959efa4b06c/chalk-
talk-mitochondria
![Page 23: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/23.jpg)
Golgi Bodies
• Protein 'packaging
plant'
• Move materials within
the cell
• Move materials out of
the cell
http://library.thinkquest.org/12413/structures.html
![Page 24: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/24.jpg)
Lysosome• Digestive 'plant' for
proteins, fats, and
carbohydrates
• Transports undigested
material to cell
membrane for removal
• Cell breaks down if
lysosome explodes
http://library.thinkquest.org/12413/structures.html
![Page 25: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/25.jpg)
Vacuoles• Membrane-bound
sacs for storage,
digestion, and waste
removal
• Contains water
solution
• Help plants maintain
shape
• Watch the video on
vacuoles
• http://youtu.be/QgtSC
bVSYdk
![Page 26: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/26.jpg)
Chloroplast• Usually found in plant
cells
• Contains green
chlorophyll
• Where photosynthesis
takes place
• Watch this video on
chloroplasts
• http://www.brightstorm.c
om/science/biology/parts
-of-a-cell/chloroplast
![Page 27: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/27.jpg)
Cell organelle rap song
http://www.teachertube.com/viewVideo.php
?video_id=248477
![Page 28: Cell Structure & Functionmsholders8thgradescience.weebly.com/uploads/8/7/5/8/8758184/cel… · Cell Theory • All living things are made up of cells. • Cells are the smallest working](https://reader034.vdocument.in/reader034/viewer/2022042204/5ea55fd07773147750447509/html5/thumbnails/28.jpg)
AssignmentMake a poster showing all cell parts
(organelles) including a picture (can be
printed but must be colored) and a sentence
describing each part’s job in the cell.