Agenda 9/18/15 Get out Cell Organelle Booklet.. Chemical level: a molecule in the membrane that...
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Transcript of Agenda 9/18/15 Get out Cell Organelle Booklet.. Chemical level: a molecule in the membrane that...
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Agenda 9/18/15
•Get out Cell Organelle Booklet.
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Chemical level: a molecule in the membrane that encloses a cell
Cellular level: a cell in the stomach lining
Tissue level: layers of tissue in the stomach wall
Organ level: the stomach
Body system level: the digestive system
Organism level: the whole body
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1.All life forms are made from one or more cells.
2.Cells only arise from pre-existing cells. 3.The cell is the smallest form of life.
Proposed in 1838 by Schleiden & Schwann
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• NO NUCLEUSNO NUCLEUS• Small, simpleSmall, simple• A prokaryotic cell is enclosed by a plasma membrane and is usually encased in a rigid cell wall
–The cell wall may be covered by a sticky capsule
–Inside the cell are its DNA and other parts
• Grow & reproduceGrow & reproduce
•EX. E. coli (bacterial EX. E. coli (bacterial cells)cells)
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•HAVE A NUCLEUS & MEMBRANE-BOUND ORGANELLES
•Grow & reproduce
•Some live as single cells
•Examples: Plants, animals, fungi, etc.
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Plasma membrane
Figure 4.5A
Golgiapparatus
Ribosomes
NucleusSmooth endoplasmicreticulum
Roughendoplasmicreticulum
Mitochondrion
Not in most plant cells
Cytoskeleton
Flagellum
Lysosome
Centriole
Peroxisome
Microtubule
Intermediatefilament
Microfilament
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Figure 4.5B
Nucleus
Golgiapparatus
Not inanimal
cells
Centralvacuole
Chloroplast
Cell wall
Mitochondrion
Peroxisome
Plasma membrane
Roughendoplasmicreticulum
Ribosomes
Smoothendoplasmicreticulum
Cytoskeleton
Microtubule
Intermediatefilament
Microfilament
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Function: provide support and protection for the cell; allows water, oxygen, carbon dioxide and other things to pass through
FOUND ONLY IN PLANT CELLS
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Description: Phospholipid Bilayer with proteins embedded in it
Function: Provides a barrier between the inside of the cell and the external environment
Found in ALL Cells
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Description: Double-membrane layer
Function: Selectively allows material to pass into and out of the nucleus via the pores
Location: WITHIN the nucleus
Found in all EUKARYOTIC CELLS
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Function: controls most cell processes and contains hereditary info of DNA; has chromatin which forms chromosomes during mitosis
Location: near the center of the cell
Found in all EUKARYOTIC cells
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Function: Location where ribosomes are made
Location: WITHIN the nucleus.
Found in all EUKARYOTIC cells
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Description: DNA bound to proteins that is visible within the nucleus
Location: WITHIN the nucleus.
Description: Condensed chromatin, distinct, thread-like structures containing genetic information.
Location: WITHIN the nucleus.
Found in all EUKARYOTIC cells
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TYPES:Free – are floating around in the cytoplasm
Bound – are attached to rough endoplasmic reticulum
Function: Protein Synthesis
Found in ALL cells
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Function: use energy from food to make high-energy particles for the cell to use
Location: in the cytoplasm of the cell
Nickname: Powerhouse
Found in all EUKARYOTIC Cells
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Description: Double membrane structure containing stacks of photosynthetic membranes which contain the green pigment chlorophyll.
Function: Use energy from sunlight to make energy-rich food molecules in a process known as photosynthesis.Found ONLY in PLANT Cells
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Description: Folded membrane studded with ribosomes that extends from the nuclear envelope
Function: Protein synthesis can occur ON the ribosomes and then the proteins are modified on the inside of the rough ER.
Found in all EUKARYOTIC Cells
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Description: Folded membrane that extends from the rough ER or stands alone in the cytoplasm
Function: Contains collections of enzymes for specialized tasks, including assembly of lipids.
Found in all EUKARYOTIC Cells
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Description: Folded membranes that are stacked and form an assembly line for final modification of proteins
Function: Using enzymes, it attaches carbohydrates & lipids to proteins. From the Golgi, proteins are sent to their final destination in vesicles.
Found in all EUKARYOTIC Cells
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Function: Contain enzymes used to breakdown lipids, carbohydrates, and proteins.
Lysosomal Enzymes can: - Digest food- Destroy bacteria- Recycle damaged organelles- Function in embryonic development in
animals
Found in MOST EUKARYOTIC Cells
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Function: Location for storage of water, salts, proteins & carbohydrates. In plant cells there is usually a single, large, central vacuole that stores liquid.
Found in EUKARYOTIC Cells
Larger in Plant Cells than in Animal Cells
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Function: helps the cell maintain its shape; also involved in movement inside the cell
Location: network of protein filaments that goes throughout the cell
Components: Microtubules & Microfilaments
Found in ALL Cells