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CELL STRUCTURES AND FUNCTIONS

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Presentation on theme: "CELL STRUCTURES AND FUNCTIONS"— Presentation transcript:

1 CELL STRUCTURES AND FUNCTIONS
Annotate your diagram with the structures marked with a  according to the information on these slides Use a different color for the information on each slide. Add a color key to the diagram

2 Chromatin  is the form of DNA in the nucleoplasm; during cell division, it is coiled into chromosomes The NUCLEUS  houses the cell DNA, genes of which produce mRNA and tRNA for the process of protein synthesis DIRECTING THE CELL The NUCLEOLUS  produces the subunits of ribosomes  (rRNA) which are used to assemble amino acid chains Nuclear pores  permit RNA and proteins to cross the double membrane of the nuclear envelope 

3 MANUFACTURE, TRANSPORT, SECRETE
Endomembrane system of channels and sacs ENDOPLASMIC RETICULUM  rough w/ribosomes produces proteins/glycoprotiens smooth – produces lipids GOLGI COMPLEX  modifies, sorts, packages products VESSICLES  transport between structures of the system, to bloodstream

4 ENERGY MITOCHONDRIA  are the site of aerobic respiration.
Organics -> ATP CHLOROPLASTS are the site of photosynthesis. Sunlight -> organics

5 STORAGE VACUOLES  store water, food and wastes (not cell products)
Contractile V = bails out fw protists LYSOSOMES  and PERIOXISOMES  store enzymes for digestion and metabolism, respectively Central V = keeps plant cells full

6 cytoplasm network of protein microtubules and filaments
CELL FRAMEWORK cytoplasm network of protein microtubules and filaments Coordinate the movement of organelles, of chromosomes during cell division Centrosomes, Centrioles , Spindle MOVEMENT Hair-like fibers that whip or paddle to move cells, trap & move particulates in nose, etc Cilia , Flagella 

7 bacterial  peptidoglycan
SUPPORT & PROTECTION cell wall PLANT STORAGE plant cells cellulose leukoplasts stored starches fungal cells chitin chromoplasts flower pigments bacterial  peptidoglycan


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