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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 |