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Cells class 7/8H
Cells
| Question | Answer |
|---|---|
| What are the 3 main parts of cell theory? | 1. all organisms are made up from at least 1 cell 2. cells are the basic unit of all living things 3. all cells come from previous existing cell |
| what are the pats of a microscope? | condenser lens, revolving nose piece, objective lens (small), objective lens (medium), objective lens (large), stage clips, diaphragm, lamp, eyepiece, arm, stage, coarse adjustment knob, fine adjustment knob, base |
| how do you use the microscope in a simplified way? | plug in the microscope and turn the low-power lens towards the stage, turn on the lamp and put a prepared slide onto the stage and secure it with stage clips finally look through the lens if the image is not clear adjust it with the fine adjustment knob |
| explain the scanning lens | -it is the red lens -4x the magnification -you always start with this lens |
| explain the medium-power objective lens | - it is the yellow lens -10x the magnification |
| explain the high-power objective lens | -it is the blue lens -40x the magnification |
| what are the parts of an plant cell? | refer to your diagram |
| what are the parts of an animal cell? | refer to your diagram |
| what is the function of a endoplasmic reticulm (plant) | Folded Organelle that makes protiens |
| what is the function of a Golgi apparatus (plant) | Folded organelle that combines proteins made by the endoplasmic reticulum and delivers them to the rest of the cell and the outside of the cell |
| what is the function of a mitochondria (plant) | The powerhouse of the cell. These organelles break down food particles and release their stored energy to fuel all of its activities. Mitochondria are surrounded by membrane. |
| what is the function of a vacuole (plant) | A large, sac-like organelle that stores excess food, waste, and other substances. Vacuole is surrounded by a membrane. |
| what is the function of a cytoplasim (plant) | Jelly-like material that fills the cell and surrounds the organelles. Food and oxygen move through the cytoplasms to the organelles. |
| what is the function of chloroplasts (plant) | Membrane -bound organelles that contain a green substance (pigment) called chlorophyll. In a process called photosynthesis, chlorophyll uses the Sun’s energy to convert carbon dioxide and water into sugar (food) and oxygen.not found in animal cells |
| what is the function of a nucelus (plant) | A large organelle that is easy to see under magnification. It controls the activities of the cell, such as growth. |
| what is the function of a cell wall (plant) | Found in plant cells but not in animal cells. The rigid structure that surrounds the cell membrane. It provides the cell with strength and support. Materials pass in or out of the cell through pores in the cell wall. |
| what is the function of a cell membrane (plant) | The thin covering that holds the cytoplasm and the organelles inside the cell and controls the passage of materials in or out of the cell. |
| what is the function of ribosomes (plant) | Tiny organelles that help make proteins. There are man of these organelles in the cytoplasm. |
| What is the purpose of the endoplasmic reticulum? (animal) | Folded organelle that makes proteins |
| What is the purpose of the golgi apparatus?(animal) | Folded organelle that combines proteins made by the endoplasmic reticulum and delivers them to the rest of th cell and the outside of the cell. |
| What is the purpose of the mitochondria?(animal) | The powerhouse of the cell. These organelles break down food particles and release their stored energy to fuel all of its activities. Mitochondria are surrounded by membrane.The number of of mitochondria varies to the function of the cell |
| What is the purpose of the vacuole?(animal) | Sac-like organelles the store excess food, waste, and other substances. Animal cells have several small vacuole. |
| What is the purpose of the cytoplasm?(animal) | Jelly-like material that fills the cell and surrounds the organelles. Food and oxygen move through the cytoplasms to the organelles. |
| What is the purpose of the nucleus?(animal) | A large organelle that is easy to see under magnification. It controls the activities of the cell, such as growth. |
| What is the purpose of the cell membrane?(animal) | The thin covering that holds the cytoplasm and the organelles inside the cell and controls the passage of materials in or out of the cell. The cell membrane is the outer boundary of an animal cell. |
| What is the purpose of the ribosomes?(animal) | Tiny organelles that help make proteins. There are man of these organelles in the cytoplasm. |
| What is the purpose of lysosomes?(animal) | These organelles break down food and digest wastes. |
| why is the nucleus important to a cell? | the nucleus is important to the cell because it is the main control system, controlling everything including growth |
| How are plant cells different from animal cells? | animal and plant cells are very similar but there of course for difference for example plants have some parts of the cell that animal cells do not (Chloroplasts, and cell walls) and animal cells have lysosomes but plants to not. |
Created by:
Kylie_d135
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