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7A View of the Cell
Chapter 7-1 to 7-3
| Question | Answer |
|---|---|
| The microscope was invented by.. | van Leeuwenhoek |
| _________ observed cell in cork. | Robert Hooke |
| Robert Hooke named the things he saw under the microscope ___ | cells |
| Mattthais Scieiden concluded that ______ have cells | plants |
| What are the three main ideas of the cell theory? | 1. All living things are composed of cells 2.Cell is the basic unit of organization of an organism 3.All cells come from preexisting cells |
| A ____ microscope has one lens. | simple |
| The ______ microscope use more than one lens | compound |
| Prokaryotes are cells without a ____ | nucleus |
| Eukaryotes are cells witch contain many different ____ | organelles |
| The plasma membrane maintains __________ | homeostatis |
| The ________is the boundary between the cell and the environment | plasma membrane |
| Selective permeability | Allows some into the cell while keeping out others |
| The ________ surrounds the cell | plasma membrane |
| This is rigid and provides support for plant cells | cell wall |
| This is called the leader of the cell | nucleus |
| The ________ gives directions for making proteins | nucleus |
| Inside the nucleus is the ____ which helps produce chromosomes | nucleolus |
| The fluid inside the cell is the __ | cytoplasm, |
| The _______ is like the highway of the cell. It manufactures and delivers different proteins to different parts of the cell | endoplasmic reticulum |
| The post office of the cell sorts and packages proteins. It is the ____ | Golgi Apparatus |
| A sac surrounded by a membrane and temporary houses food, water and wastes is called a __ | vacuole |
| Plants have one or two ____ vacuoles while animal cell have many ____ ones | large small |
| Digestive enzymes are found in ________ | lysosomens |
| The garbage collectors of the cell are the _____ | lysosomes |
| What two organelles are found in plants, but not in animals? | 1. cell wall 2. Chloroplasts |
| What is needed for all cellular processes to happen? | energy is needed |
| What organelle helps capture light energy and convert it to food? | chloroplasts |
| _______ gives plants their green color | chlorophyll |
| The power house of the cell is the ____ | mitochondria |
| The cell shape is formed by the ____ | cytoskeleton |
| Two structures that help movement and feeding are the ___ and ___ | cilia and flagella |
| ____ are short hair like projections that move in a wavelike manor | cilia |
| ____ are long projections and move in a whip like motion | flagella |
| The structures that are contained in a cell are called ___ | organelles |