chemical compounds in cells - lowry science...or solid chemical compounds whose molecules contain...
TRANSCRIPT
CHEMICAL COMPOUNDS IN CELLSLesson 1.3
Review
Element _____________________________ ___________________________________
Examples ______, _______, _______
Compound ___________________________ ___________________________________
Examples ______, _______, _______
ReviewElement - Any substance that cannot be broken down into simpler substances
Examples Hydrogen, Carbon, Oxygen
Compound - Formed when two or more elements combine chemically; the smallest unit is called a molecule.
Examples CO2, H2O, C6 H12O6
Compounds In CellsCarbohydrates
Lipids
ProteinsNucleic Acids
Water
Carbohydrates
How your body gets it:SugarsStarches
What your cells do with it:Cell WallCell MembraneStored Energy
Lipids
How your body gets it:FatsOils
What your cells do with it:Cell MembraneStored Energy
ProteinsHow your body gets it:
MeatsDairyBeansNuts
What your cells do with it:OrganellesEnzymesCell Membrane
Nucleic AcidsHow your body gets it:
Red MeatShellfishMushroomsPeas
What your cells do with it:Genetic Material
WaterHow your body gets it:
DrinkingHigh Moisture Foods
What your cells do with it:Allows Chemicals to ReactCell ShapeTemperature ControlMovement of Substances
Clarifying VocabularyOrganic Food- are foods that are produced using methods that do not involve modern synthetic inputs such as synthetic pesticides and chemical fertilizers, do not contain genetically modified organisms, and are not processed using irradiation, industrial solvents, or chemical food additives. (Wikipedia)
Inorganic Food - Opposite of organic food... basically everything you eat!
Organic Compound - any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon. (Wikipedia)
Inorganic Compound - are of inanimate, not biological origin. Inorganic compounds lack carbon and hydrogen atoms and are synthesized by the agency of geological systems. (Wikipedia)
THE CELL IN ITS ENVIRONMENTLesson 1.4
The Cell Membrane
Mostly made of _______________________
Also has some _________ & __________
Is Selectively Permeable which means _________ ____________________________________
The Cell Membrane
Mostly made of _______Lipids___________
Also has some Carbohydrates & Proteins
Is Selectively Permeable which means that some substances can flow across, while others cannot.
Transport within the Cell
Transport within the Cell
Active Passive
Active versus Passive Transport
Molecule Concentration - Ultimately decides whether the transport will be active or passive.
Active Transport - ____________________________ ___________________________________________
Passive Transport - ____________________________ ___________________________________________
Active versus Passive Transport
Molecule Concentration - Ultimately decides whether the transport will be active or passive.
Active Transport - The movement of dissolved materials across a cell membrane using the cell’s energy
Passive Transport - The movement of dissolved materials across a cell membrane without using the cell’s energy
Transport within the Cell
Active
Endocytosis
Exocytosis
Basic Active Transport
Other Types of Active TransportEndocytosis
Exocytosis
Other Types of Active Transport
EndocytosisWhen substances are too large to cross the cell membrane, the cell changes shape and engulfs the particle. It is sometimes called cell eating or phagocytosis.
ExocytosisAllows large particles to leave the cell.
Transport within the Cell
Passive
Diffusion
Osmosis
Types of Passive Transport
Diffusion
Osmosis
Types of Passive TransportDiffusion
The process by which molecules move from an area of higher concentration to an area of lower concentration. Molecules can simply cross the membrane or facilitated by proteins.
OsmosisThe diffusion of water (specifically and only water!)
Transport within the Cell
Active Passive
Endocytosis
Exocytosis
Diffusion
Osmosis
Practice ProblemsDecide if each picture represents:
Basic Active Transport, Endocytosis, Exocytosis, Diffusion or Osmosis
Practice ProblemsDecide if each picture represents:
Basic Active Transport, Endocytosis, Exocytosis, Diffusion or Osmosis
Basic Active Transport
Diffusion
Osmosis
Endocytosis
Exocytosis