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REPORTING CATEGORY 1

REPORTING CATEGORY 1. #1-VIruses. viruses. Virus must recognize specific receptor site on host cell All viruses = 2 basic parts: nucleic acid protein coat (capsid) Capsid : protein coat containing inner core of: DNA or RNA Protein coat gives viruses diff. shapes.

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REPORTING CATEGORY 1

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  1. REPORTING CATEGORY 1

  2. #1-VIruses

  3. viruses • Virus must recognize specific receptor siteon host cell • All viruses =2basic parts: • nucleic acid • protein coat (capsid) • Capsid: protein coat containing inner core of:DNAorRNA • Protein coat gives viruses diff. shapes

  4. #45-viral life cycles

  5. Viral life cycles

  6. #47-cell differentiation

  7. DNA and Genes GENE:- A SEGMENT OF DNA LOCATED ON THE CHROMOSOME -THE CARRIERS OF HEREDITARY INFORMATION IN CELLS -CODE FOR THE PROTEINS THAT CARRY OUT CELLULAR FUNCTIONS

  8. #16-cell cycle

  9. Phases of mitosis • Four phases of mitosis: • Prophase • Metaphase • Anaphase • Telophase

  10. #41-cell cycle

  11. Mistakes in the cell cycle • Cancer a malignant growth resulting from uncontrolled cell division • Possible causes of cancer: • 1. genetic factors – predisposition in the family; genes inherited • 2. environmental factors – smoking; air and water pollution • 3. viral infections – that damage the genes

  12. #36-biomolecules

  13. glucose biomolecules CARBOHYDRATE C:H:O LIPID C:H:O PROTEIN C:H:N:O NUCLEOTIDE C:H:N:O:P

  14. #20-biomolecules

  15. Polymers and monomers Carbohydrates: monosaccharide disaccharide polysaccharide • Lipids: Triglycerides are composed of 1 glycerol and 3 fatty acids. • Proteins:Amino acids bonded together by peptide bonds • Nucleic acids: Nucleotides include: • phosphate group • pentose sugar (5-carbon) • nitrogenous bases

  16. #6-energy in a cell

  17. Cellular respiration • When we eat, we get energy (glucose and other sugars) • Food energy is broken down into usable energy • Energy used to bond phosphate groups to ADP to make ATP

  18. #23-cell structures

  19. Prokaryotes vs. eukaryotes

  20. #29-cell structures

  21. organelles

  22. #33-cell cycle

  23. Phases of the cell cycle • Interphase – preparing for cell division • G1 phase – primarygrowth phase • S phase – DNA replication • G2 phase – second period of growth • Organelles replicatethroughout

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