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Presented by Kesler Science

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1 Presented by Kesler Science
Plant and Animal Cells Created by Kesler Science – More 5E lessons at KeslerScience.com Presented by Kesler Science

2 Essential Questions: What is the difference between structure and function in plant and animal cell organelles? What is a cell membrane, cell wall, nucleus, cytoplasm, mitochondria, chloroplast, and vacuole ?

3 Cell Images

4 Plant and Animal Cells Plant and Animal Cells
All eukaryotic cells (has a nucleus) in which all the organelles are contained in membranes. Animal So what makes them different? Plant © KeslerScience.com

5 Organelle Plant and Animal Cells
Tiny cellular structure that performs specific functions within a cell. Similar to the way the body’s organs perform different functions. © KeslerScience.com

6 Animal Cell Organelles
Plant and Animal Cells Animal Cell Organelles Cell Membrane Nucleus Cytoplasm Mitochondrion Vacuoles (sometimes) Cytoplasm Mitochondrion Nucleus Vacuoles Cell Membrane © KeslerScience.com

7 Plant Cell Organelles Plant and Animal Cells Cell Membrane Cell Wall
Vacuoles Plant Cell Organelles Cell Membrane Cell Wall Nucleus Cytoplasm Mitochondrion Vacuoles Chloroplast Cytoplasm Cell Wall Nucleus Mitochondrion Chloroplast Cell Membrane © KeslerScience.com

8 Plant and Animal Cells Cell Wall Found in plant cells only
Rigid, strong, stiff outer layer Supports the plant (allows it to grow tall) Protects the cell Allows water, oxygen, and carbon dioxide to pass into and out of the cell. © KeslerScience.com

9 Cell Membrane Plant and Animal Cells
Found in both plant and animal cells Plant – inside the cell wall Animal – outer layer Supports and protects the cell Controls movement of materials in and out of the cell Maintains homeostasis (condition of balance) © KeslerScience.com

10 Nucleus Plant and Animal Cells Found in both plant and animal cells
Large, oval shape in the center of animal cells and at the edge of plant cells Controls cell activities (the brain) Controls hereditary materials Animal Animal cells are blood cells of frog showing nucleus. Plant cells are onion cells. Plant © KeslerScience.com

11 Nucleolus Plant and Animal Cells
The nucleolus is located in the center of the nucleus of a cell. The main components of the nucleolus are RNA, DNA and proteins. The nucleolus has one main function.  That main function is the production of subunits which then together form ribosomes Animal Animal cells are blood cells of frog showing nucleus. Plant cells are onion cells. Plant © KeslerScience.com

12 Quick Action – Plant and Animal Cells
Get with a friend and look at the pictures of animal cells and plant cell with their nucleus. Sketch each type of cell and answer these questions. What is the main difference you see in the two types of cells? Why do you think plant cells need a cell wall as well as a cell membrane? What would happen to plants if they did not have a cell wall? Animal Plant © KeslerScience.com

13 Cytoplasm Plant and Animal Cells Found in both plant and animal cells
Clear, thick jelly like material Supports and protects cell organelles © KeslerScience.com

14 Mitochondrion Plant and Animal Cells
Found in both plant and animal cells Bean-shaped with inner membranes Breaks down sugar molecules into energy (ATP - the chemical energy of the cell) “Power House” of the cell © KeslerScience.com

15 Chloroplast Plant and Animal Cells Found in plant cells only
Green, oval Contain chlorophyll (green pigment) Uses energy from the sun to make food (sugar and oxygen) for the plant (photosynthesis). © KeslerScience.com

16 Vacuole Plant and Animal Cells Found in all plant cells (large)
Store large amounts of food (sugars) and water Sometimes found in animal cells (few and small) Store food, water, metabolic and toxic waste Fluid-filled sacs Vacuole Animal © KeslerScience.com

17 Plant and Animal Cells Lysosomes Plant and animal cells
Contain digestive chemicals that help break down food molecules, cell wastes, and worn-out cell parts When a cell dies, a lysosome’s membrane disintegrates. This releases digestive chemicals that allow the quick breakdown of the cell’s contents Animal © KeslerScience.com

18 Plant and Animal Cells Ribosome Make the cell’s own proteins
needed for chemical reactions that take place in the cytoplasm Some float freely in the cytoplasm; others are attached to the endoplasmic reticulum. Receive directions from hereditary material on how, when, and in what order to make specific proteins. Animal © KeslerScience.com

19 Endoplasmic Reticulum
Plant and Animal Cells Endoplasmic Reticulum Extends from the nucleus to the cell membrane Series of folded membranes in which materials can be processed and moved around inside of the cell May be “rough” or “smooth.” © KeslerScience.com

20 Endoplasmic Reticulum
Plant and Animal Cells Endoplasmic Reticulum ER that has no attached ribosomes is called “smooth” endoplasmic reticulum. This type of ER processes other cellular substances such as lipids that store energy Ribosomes are attached to areas on the “rough ER” where they carry out their job of making proteins. © KeslerScience.com

21 Golgi Bodies Plant and Animal Cells
After proteins are made in a cell they are transferred here Sort proteins and other cellular substances and package them into membrane-bound structures Animal © KeslerScience.com

22 Centriole Plant and Animal Cells
Help the cell when it comes time to divide. They are put to work in both the process of mitosis and the process of meiosis. You will usually find them near the nucleus but they cannot be seen when the cell is not dividing.  © KeslerScience.com

23 Check for Understanding
Can you… Tell the difference in the structure of plant and animal cells ? Tell the difference in the function of plant and animal cell organelles, including cell membrane, cell wall, nucleus, cytoplasm, mitochondrion, chloroplast and vacuole? Clear up any confusion and answer questions. © KeslerScience.com


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