The Cell
Terms
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- Theodor Schwann
- Theory that all animals are made of cells
- Matthias Schleiden
- Theory that plants were made of cells
- Exocytosis
- the reverse of endocytosis
- Secretion
- The process that materials made by the cell are released to the outside of the cell.
- Henry Dutrochet
- Proposed that all living things are made of cells
- Endosymbiosis
- one organism living inside another;benefit both organisms.
- Endocytosis
- The process of transporting material into a cell by a vessicle
- Microtubules
- Long, hollow, cylindrical structures found in the cytoplasm. "Skeleton of the cell"
- Hypotonic solution
- Lower concentration of dissolved substances than in the cell.
- Eukaryotic
- have internal membrane bound organelles
- Robert Hooke
- founder of the compound microscope...mid 1600
- Cilia and flagella
- Hair-like organelles with the capacity for movement.
- Epithelial tissue
- Tissues that cover the body surface, and line the body cavities and organs
- Phagocytosis
- Solid particles ingested into the cell
- Anton van Leeuwenhoek
- The single lens microscope
- Chromoplasts
- contain the pigment that give color to fruits, flowers and leaves.
- What is diffusion?
- the movement of molecules or particles from high concentration to low concentration.
- organelles
- specialized internal structures of a cell
- Prokaryotic
- lack internal membrane-bound structures.
- hypertonic solution
- higher concentration of dissolved substances than in the cell
- Osmosis
- The diffusion of water across a selectively permeable membrane from high to low water concentration.
- How do animal cells differ from plant cells?
- Plant cells have a cell wall, a large central vacuole and plastids.
- Pinocytosis
- taking in of small amounts of liquids by endocytosis
- Robert Brown
- named the nucleus of a cell
- Tissue
- a group of cells in multicellular organisms that are structurally similar and perform the same function
- Explain selective permeability
- Some substances pass through a cell membrane freely;some do not;some not at all.
- Isotonic solution
- same concentration of dissolved substances as the living cell placed in it
- Golgi Bodies
- Stacks of flattened membrane sacs that serve as processing, packaging and storage centers.