REPORTING CATEGORY 1. #1-VIRUSES VIRUSES Virus must recognize specific receptor site on host cell...
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Transcript of REPORTING CATEGORY 1. #1-VIRUSES VIRUSES Virus must recognize specific receptor site on host cell...
![Page 1: REPORTING CATEGORY 1. #1-VIRUSES VIRUSES Virus must recognize specific receptor site on host cell All viruses = 2 basic parts: –nucleic acid –protein.](https://reader030.fdocuments.us/reader030/viewer/2022032414/56649eea5503460f94bfbf42/html5/thumbnails/1.jpg)
REPORTING CATEGORY 1
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#1-VIRUSES
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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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#45-VIRAL LIFE CYCLES
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VIRAL LIFE CYCLES
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#47-CELL DIFFERENTIATION
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DNA AND GENES
GENE: - A SEGMENT OF DNA LOCATEDON THE CHROMOSOME
-THE CARRIERS OF HEREDITARY INFORMATION IN CELLS
-CODE FOR THE PROTEINSTHAT CARRY OUT CELLULAR
FUNCTIONS
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#16-CELL CYCLE
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PHASES OF MITOSIS
Four phases of mitosis:• Prophase • Metaphase• Anaphase• Telophase
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#41-CELL CYCLE
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MISTAKES IN THE CELL CYCLE
Cancera 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
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#36-BIOMOLECULES
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BIOMOLECULES
glucose
CARBOHYDRATE C:H:O
NUCLEOTIDE C:H:N:O:P
LIPID C:H:O
PROTEIN
C:H:N:O
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#20-BIOMOLECULES
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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
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#6-ENERGY IN A CELL
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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
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#23-CELL STRUCTURES
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PROKARYOTES VS. EUKARYOTES
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#29-CELL STRUCTURES
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ORGANELLES
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#33-CELL CYCLE
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PHASES OF THE CELL CYCLE
Interphase – preparing for cell division• G1 phase – primary
growth phase• S phase – DNA
replication• G2 phase – second
period of growth • Organelles replicate
throughout