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JC Cell + Microscope
JC Cell and Microsco
What is a cell? | The smallest unit of life that contains all the characteristics of life |
What piece of equipment can be used to see cells? | Microscope |
What is the name given to a sample placed under a microscope? | Speciman |
What is the function of stage clips? | Keeps the sample in place |
What is the function of the objective lens? | Magnifies the speciman |
What is the function of the course focus wheel? | Brings the image into a rough focus |
What is the function of the fine focus wheel? | Brings the image into a fine focus |
What stain is used when looking at onion cells under a microscope? | Iodine |
What is the function of the cell membrane? | Controls what enters and leaves the cell |
What is the cytoplasm? | Jelly-like substance where all organelles are held e.g. nucleus |
What is the function of the nucleus? | The control center for the cell. Contains DNA. |
What is the function of the cell wall? | Strengthens and gives shape |
What is the function of the chloroplast? | Contains chlorophyll that allows plants to absorb sunlight for food |
What is the function of the vacuole? | Stores food |
What is a tissue? | A group of cells that work together for the same function e.g. muscle |
What is an organ? | A group of tissues that work together for the same function e.g. heart |
What is an organ system? | A group of organs that work together e.g. digestive system |
What is an organism? | Result of all organ systems working together e.g. human |
What is a population? | Individual organisms of the same species e.g. human |
What is a community? | Populations of different species that live close together |
What is an ecosystem? | Communities that interact with their environment |
What do plant cells contain that animals cell do not? | Cell wall, chloroplast |