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The Cell
Question | Answer |
---|---|
What is the Cell Theory? | 1. All living things are made up of cells 2. The cell is the unit of structure and function of all living things 3. All cells come from prexisting cells EXCEPTIONS: viruses, the first cell, mitochondria & chloroplast |
What did Leewenhoek develope? | He developed the first microscope |
What did Robert Hooke observe? | He observed cork under a microscope and said they looked like jail cells |
What did Schleiden discover? | That all plants are made up of cells |
What did Schwann discover? | That all animals are made up of cells |
What did Rudolph Virchow study? | The reproduction of cells |
What organelles do the plant cell that the animal cell does not? | Chloroplast and Cell Wall |
Prokaryote | Organisms whose cells lack nuclei. ex./ bacteria |
Eukaryote | organisms whose cells contain nuclei. ex./ plants, animals, fungi |
What is the function of the Nucleus | Controls the center of the cell. Regulates and coordinates cell activities. Contains: DNA |
What is the function of the Nuclear Membrane | Selects what enters and leaves the nucleus |
What is the function of the Nucleolus | involved in production of RNA and ribosomes |
What is the function of the Ribosomes | Site of protein synthesis. Free Ribosomes: float in cytoplasm. Attached Ribosomes: attached to rough ER |
What is the function of the Cytoplasm | Everything between the cell membrane and nucleus |
What is the function of the Vacuole | Stores water, food, nutrients, and wastes. (very large in plants) |
What is the function of the Cell Membrane | Separates the cell from it's enviroment. Regulates what comes in and out. Transports, and communicates |
What is the function of the Lysosome | Digests substances. |
What is the function of the Mitochondria | Energy is created here through respiration |