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EOC Review: Biochemistry, Enzymes, Cell, Cell Transport, and Energy
Christopherson
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Monomer Single molecule One subunit
Example: Single bead for a necklace
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Polymer Many molecules More than one subunit
Example: Beads making up a necklace
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Four Macromolecules: Carbohydrates
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Monomer of a Carbohydrate
Simple Sugar or Monosaccharide
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Polymer of a Carbohydrate
Complex sugar
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Type of Carb: Monosaccharide
Explanation: One sugar / Simple Sugar Example: Glucose or Fructose
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Indicator: Benedict’s Solution
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Positive Test: Turns Green to Red
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Type of Carb: Polysaccharide
Explanation: Many Sugars
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Example of a Polysaccharides
Cellulose: Provides structure for plants
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Example of a Polysaccharide
Starch: Stored Energy in plants
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Examples of a Polysaccharide
Chitin: Structure and support for insects and mushrooms
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Indicator: Iodine
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Positive Test: Turns Black
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Example of a Polysaccharide
Glycogen: Stored energy in animals
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Carbohydrate Functions #1
Short term energy source Burn quickly
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Carbohydrate Function #2
Stored Energy Organisms store what they don’t use
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Carbohydrate Function #3
Provide structure for plants, fungus, and insects
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Indicator: Benedict’s Solution
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Positive Test: Turns Green to Red
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Four Macromolecules: Lipids
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Lipids Also known as: Fats, Oils, and Waxes
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Indicator: Brown Paper Bag or Towel
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Positive Test: Grease Spot
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Lipids Function #1 Long term energy storage
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Lipids Function #2 Provide Insulation
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Regulate water movement in and out of the cell
Lipids Function #3 Regulate water movement in and out of the cell
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Four Macromolecules: Proteins
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Protein Monomers and Polymers
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Indicator: Biuret’s
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Positive Test: Turns Purple
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Proteins Function #1 Make up the structure and function of muscles
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Proteins Function #3 Blood has hemoglobin (protein) which helps transport oxygen
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Proteins Function #4 Insulin (protein) helps glucose move from our bloodstream to our cells
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Protein Function - #5 Enzymes (Protein) fuel every chemical reaction in organisms. Helps form bonds and break things down
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Four Macromolecules: Nucleic Acids
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Nucleic Acids Elements present: Only one with P Monomer: Nucleotide
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Nucleic Acid Function #1
Responsible for an organisms genetic make-up (DNA)
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Nucleic Acid Function #2
Usable form of energy (ATP)
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Nucleic Acid – Function #3
Makes Proteins: RNA
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Enzymes Christopherson
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Chemical Reaction Reactants Products
Occurs when bonds are broken or formed to create a new substance Reactants Products
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Characteristics of Enzymes #1
Enzymes are biological catalysts
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Example of Enzymes as Catalysts
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Characteristics of Enzymes #2
Enzymes are site specific One enzyme = One job
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How Enzymes Work
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Environmental Effects on Enzymes
pH Dramatic changes in the pH of a solution can denature an enzyme Decreasing enzyme activity
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Prokaryotic/Eukaryotic Cells - Prokaryotic organisms lack membrane bound organelles; no nucleus, etc.
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Nucleus Control center of the cell
Location of DNA – which is our genetic make-up and holds the directions
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Ribosomes Responsible for making proteins
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Mitochondria Powerhouse of the cell
ATP (usable form of energy) is made here
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Chloroplast Site of photosynthesis; Producers absorb sunlight energy, carbon dioxide, and water to make glucose (food)
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Vacuole Storage center for the cell Stores water, food, etc.
AKA the attic of the cell
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Plasma/Cell Membrane Regulates what comes in and out of the cell; AKA gatekeeper
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Cell Wall Provides structure and support
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Cellular Transport Christopherson
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Equilibrium/Homeostasis
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Selectively Permeable?
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Two types of transport in cells
Passive Transport: Movement of particles from a high to a low concentration
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Two types of transport in cells
Active Transport: Movement of particles from a low to a high concentration; ATP is needed
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Review: Diffusion Movement of particles from a high concentration to a low concentration HIGH LOW
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Substances that can Diffuse across membrane
Oxygen and Carbon Dioxide
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Passive or Active?
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Review: Osmosis Movement of WATER from a high concentration to a low concentration Water will always move to the higher amount of dissolved solutes HIGH LOW
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Hint: Water will ALWAYS move to the higher concentration of dissolved substances.
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Isotonic Solution Cell remains same size
Water moves in and out at same rate (time) The concentration of dissolved substances is equal in and out of cell.
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Hypotonic Solution Cell swells Water moves in
The higher concentration of dissolved substances is __________ the cell.
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Hypertonic Solution Cell shrinks Water moves out
The higher concentration of dissolved substances is __________ the cell.
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Passive or Active?
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Active Transport Movement of larger substances from a low to a high concentration Transport protein and ATP is needed for assistance HIGH LOW
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Passive or Active?
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Energy and Photosynthesis I
Christopherson
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ATP Structure
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Does ATP have ENERGY?
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ADP Structure
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Does ADP have ENERGY?
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Photosynthesis Location
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Review: Photosynthesis Function
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Photosynthesis Summative
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Purpose of Cell Respiration
C6H12O6 ATP
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Summative equation: Cell Respiration
ATP
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What does Anaerobic mean???
Respiration without oxygen
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Organisms that Undergo Anaerobic Respiration
Bacteria Yeast
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Anaerobic Respiration: Simple Organisms
C-C-C-C-C-C Glucose C-C-C and C-C-C Pyruvate Lactic Acid Fermentation Alcohol Fermentation
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What does Aerobic mean??? Respiration with oxygen
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Aerobic Respiration: Complex Organisms
C-C-C-C-C-C Glucose C-C-C and C-C-C Pyruvate O2 ATP ATP ATP
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