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1 ST SEMESTER MATERIAL EOC MINI REVIEW. BIOMOLECULES FunctionMonomersExample ProteinsGrowth & Repair Cell Specialization Cellular Transport Amino AcidsEnzymes,

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Presentation on theme: "1 ST SEMESTER MATERIAL EOC MINI REVIEW. BIOMOLECULES FunctionMonomersExample ProteinsGrowth & Repair Cell Specialization Cellular Transport Amino AcidsEnzymes,"— Presentation transcript:

1 1 ST SEMESTER MATERIAL EOC MINI REVIEW

2 BIOMOLECULES FunctionMonomersExample ProteinsGrowth & Repair Cell Specialization Cellular Transport Amino AcidsEnzymes, hemoglobin CarbohydrateMain source of energy Cell Wall structures Monosaccharide -ose Glucose, Starch Chitin Cellulose Nucleic AcidStores and Transmit Genetic Information Nucleic Acid (phosphate, sugar, nitrogen base) DNA and RNA LipidsCell membrane structure Stores Energy Fatty Acids and glycerol Fats, oils, waxes Phospolipid (non polar tail made of fatty acids)

3 CLASSIFICATION DOMAIN BacteriaArchaea Eukarya KINGDOM Bacteria Archaebacteria ProtistaFungi PlantaeAnimalia CELL TYPE Prokaryote Eukaryote CELL STRUCTURES Cell walls with peptidoglycan Cell walls without peptidoglycan some have cell walls Cell walls of chitin Cell walls of cellulose; chloroplasts No cell walls or chloroplasts NUMBER OF CELLS Unicellular Most unicellular; some colonial; some multicellular Most multicellular; some unicellular multicellularMulticellular MODE OF NUTRITION Autotroph or heterotroph HeterotrophAutotroph Heterotroph EXAMPLES Streptococcus, Escherichia coli Methanogens, halophiles ameba paramecium Mushrooms, yeastsMosses, ferns, flowering plants Sponges, worms, insects, fishes, mammals

4 CLASSIFICATION QUESTIONS 1.This organism is a heterotroph, with cell walls, and Eukaryotic. What kingdom is it? Fungi 2.This organism has a nucleus. What Domain is it? Eukarya 3.This organism has chloroplast, a nucleus, and is multicellular. Which kingdom is it? Plantea 4.This organism is unicellular and is found in extreme environments. Which kingdom is it? Archeabacteria 5.This organism is non-motile, eukaryotic, and heterotrophic, with a cell wall. Which kingdom is it? Fungi

5 TRANSPORT Passive transport- substances move from an area of High Concentration to Low Active Transport- substance move from an area of low concentration to high. Energy required Osmosis- diffusion of water across a semipermeable membrane Diffusion- molecules move from an area of High concentration to area of low concentration. Even out

6 TONICITY Hypotonic- concentration of water outside of cell is greater. Water enters the cell, until burst or lysed Isotonic- concentration of water outside of cell is equal. Water enters and leaves at the same rate. Hypertonic- concentration of water outside of cell is less. Water leaves the cell, cell shrivels and shrinks

7 DNA REPLICATION 1. DNA strand unwinds 2.New nucleotides are added to the original strands 3.2 Strands are now semiconservative. One original strand and one new strand. 4.DNA Molecules retwist Why is DNA replication important? It is important because when a cell divides, it needs to produce an exact copy of the DNA for the new cell to have the information it needs to carry out its processes.

8 CELL DIVISION Mitosis Meiosis Diploid, Haploid, Crossing over, genetically Identical, genetically unique, body (somatic cell), Gametes


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