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BiologyUnit 5

GEHS-BoydUnit5

QuestionAnswer
What are 3 parts of cell theory? All living things are made of cells, Cells are basic unit of structure an function, and all cells come from pre-existing cells.
Cell membrane The outer boundary of a cell.
Cytoplasm Cell fluid and structure.
DNA Genetic Information
Ribosome Cell structure where proteins are made. Synthesizes proteins (workers)
Organelles Cell structure
Cell Wall Supports and protects cells.
Vacuole Stores water, food and enzymes
Nucleus Controlls all cell activity
Nucleolus Organelle where ribosomes are produced
Mitochondria Provides energy for the cell
Golgi Apparatus Processes, packages and ships protein.
Lysosome Digest molecules and old organelles.
Plasma membrane Semi-permeable. Controls what enters and exits the cell. Made of proteins and lipids.
Endoplasmic Reticulum Transport system within the cell.
Robert Hooke English Scientist. Used microscope, examined pieces of cork.
Anton van Leeuwenhoek Dutch Lensmaker. Improved modern day microscope
Matthias Schleiden German scientist. Concluded that all plants are made of cells
Theodor Schwann German scientist. Concluded that all animals are made up of cells.
Rudolf Virchow German physician. Concluded that cells come from pre-existing cells.
Rough ER Has ribosomes. Is located near the nucleus.
Smooth ER Does not have ribosomes and makes lipids and breaks down toxins.
Chloroplast Produces energy and is only located in a plant cell.
Homeostasis Regulations of an organisms internal environment to maintain conditions for life.
Plasma Membrane is composed mainly of phospholipid bilayer, it does not dissolve in water, allows some substance to pass, attracts substances that are low in concentration.
Dynamic Equilibrium continuous movement of molecules with no overall change in concentration.
Dialysis diffusion of solutes through a membrane
Osmosis diffusion of WATER molecules through a membrane.
Concentration Gradient difference of concentration of a substance across a space.
Facilitated Diffusion movement of a substance across the cell membrane using carrier proteins.
Prokaryotic Cells contain? Ribosomes, Plasma membrane, DNA, Cytoplasm, Cell Wall, Capsule.
Eukaryotic Cells contain? Ribosomes,plasma membrane, DNA, nucleus, organelles, Mitochondria, Golgi apparatus, Endoplasmic Reticulum.
What is the difference in a plant and animal cell? Plant cells have cell wall, chloroplast. Animal Cells have Lysosomes, Centrosomes.
Cytolysis the bursting of a cell caused by excess water moving into the cell
Plasmolysis the shrinking of cell caused by the loss of water.
Turgor Pressure pressure exerted by partially elastic wall of a plant against the pressurized protoplast created by water moving into the cell.
Exocytosis process in which a vesicle inside a cell fuses with the cell membrane and releases its contents to the external environment.
Phagocytosis movement of large particles of solid food or whole cells into the cell.
Endocytosis process which a cell surrounds and takes in material from its environment
Vesicle membrane bound sac in a cell that contains material formed as a result of exocytosis and endocytosis.
Created by: grimshaw'sclass