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Chapter 5
Bold Words
| Question | Answer |
|---|---|
| What is a cell? | The basic units of structure and function in living things |
| What is the Cell Theory? | It is the basic framework in which biologists have tried to understand living things ever since. |
| What does the Cell Theory State? | 1. All living things are composed of cells 2. Cells are the basic units of structure and function in living things 3. All cells come from preexisting cells. |
| What do cells of animals and cells of plants have in common? | 1. Cell Membrane (outer boundary of the cell) 2. Nucleus (Control Center) 3. Cytoplasm (material between the cell membrane and the nucleus) |
| What is the cell membrane? | The cell structure that regulates the passage of materials between the cell and its environment; aids in the protection and support of the cell. |
| What is the Cell wall? | The cell structure that surrounds the cell membrane for protection and support in plants, algae and some bacteria. |
| What is the Nucleus? | Is the organelle that controls the cell's activities and contains DNA |
| What is the Prokaryotes? | Is a single-celled organism whose cells do not have a nucleus. |
| What is the Eukaryotes? | Organism made up of cells that have a nucleus. |
| What is the Nuclear envelope? | Is a membrane that surrounds the nucleus of a cell. |
| What is the Nucleolus? | Is the cell structure that contains RNA and proteins. |
| What is a Chromosome? | Is a threadlike structure in a cell that contains the genetic information that is passed on from one generation of cells to the next. |
| What is a Cytoplasm? | Is an area between the nucleus and cll membrane of a cell. |
| What is the Mitochondrion? | Is the organelle that changes chemical energy stored in food into compounds that can be used by the cell |
| What is the Chloroplast? | Is the an organelle that converts sunlight into chemical energy in plants. |
| What is the Ribosomes? | Is an organelle in which proteins are made. |
| What is the Endoplasmic Reticulum? | Is a complex network that transports materials though out the inside of a cell |
| What is the Golgi Apparatus? | Is the organelle that modifies collects packages and distributes molecules made at one location of the cell and used at another. |
| What is a lysosome? | Is an organelle that contains chemical and enzymes necessary for digesting certain materials in the cell. |
| What is a Plastid? | Is a plant cell organelle involved in the storage of food and pigments |
| What is a Cytoskeleton? | Is the framework of the cell composed of a variety of filaments and fibers that support cell structure and drive cell movement |
| What is an organelle? | Is a cell structure that performs a specialized function within the cell |