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Cells & Microscope
| Question | Answer |
|---|---|
| Who discovered cells? | Robert Hooke |
| What was being viewed under the microscope when cells were discovered? | Peice of Cork (dead tree bark) |
| How did cells get their name | They reminded Hooke of Jail Cells |
| What does the Cell theory tell us? | 1.All living things are made up of cells 2.The cell is the basic unit of life 3. All cells come from other cells |
| The cell theory states that "All cells come from other cells". What process creates more of the same exact type of cells? | Mitosis |
| The cell theory states that "Cells are the basic unit of life". What does that mean? | Everything that is alive has at least one cell |
| Which cell part controls what enters and leaves the cell? | Cell membrane |
| Which part of a plant cell protects it and gives the plant shape and support? | Cell wall |
| Which part of the cell acts as the control center? | Nucleus |
| Which part of the cell contains DNA? | Nucleus |
| What is the job of a chromosome? | Store bundles of DNA (genetic information) |
| Which cell part makes energy for the cell? | Mitochondria |
| Which plant cell part captures sunlight and is where photosynthesis takes place? | Chloroplast |
| Which cell part is a jelly-like material in which all of the organelles (tiny cell organs) float? | Cytoplasm |
| Which cell part stores food and wastes materials? | Vacuole |
| In which cell part does photosynthesis take place? | chloroplast |
| In which cell part does respiration take place? | Mitochondria |
| What are two cell parts that a plant cell has and an animal cell does not have? | Chloroplast and Cell Wall |
| What type of cell is Square in shape? | Plant cell |
| What type of cell is Round in shape? | Animal cell |
| What tool is used to see tiny objects we normally could not see with the unaided eye? | Microscope |
| How many lenses do you look through when viewing a specimen with a compound microscope ? | 2 |
| Where are the lenses that you look through with a compound microscope? | Eyepiece and Objective |
| What microscope part controls the amount of light that enters the stage? | Diaphragm |
| What microscope part holds the slide in place? | Stage Clips |
| Where do you place the slide on a microscope? | Stage |
| What microscope part allows light to pass from the stage to the eye? | Body Tube |
| What is another name of the lens found in the eyepiece? | Oculuar Lens |
| What do we call the lenses on a microscope that magnify the specimen different amounts? | Objective Lenses |
| What is the part of the microscope that allows you to switch to low, medium or high power and holds the objective lenses? | Revolving Nosepiece |
| What part of the microscope moves the body tube up and down so that you can bring the specimen into view? | Course adjustment knob |
| What part of the microscope is used to "fine tune" the image and make the specimen appear clearer? | Fine Adjustment Knowb |
| What two spots should you hold to support the microscope? | Arm and Base |
| What is the "Field of View" of a microscope? | The big circle of light that you see in the microscope |
| What is the diameter of the field of view? | The length across the circle of light you see in the microscope |
| What does the total magnification of a microscope tell you? | How much the microscope is enlarging or magnifying the speciman |
| How do you find total magnification? | Eyepiece x Objective Lens |
| What part of the microscope turns it on and off? | Power Switch |
| What is the name of the cell process during which a cell divides? | Mitosis |
| How many cells are made by mitosis? | Two |
| Why do organisms go through mitosis? | Grow and Repair injuries |
| How do the daughter cells compare the the parent cells after mitosis? | They are identical (CLONES) in size and number of chromosomes |
| What do we call the ability of a cell to allow some things into the cell and keep others out? | Selectively Permeable |
| What part of the cell is said to be selectively permeable? | Cell membrane |
| What do we call the movement of materials across the cell membrane from where there is a lot to where there is a little? | Diffusion |
| Oxygen, food, carbon dioxide and sugar move into and out of the cell by what process? | Diffussion |
| What do we call the difffusion of water? | Osmosis |
| What do we call the slide you prepare to view under a microscope? | Wet Mount Slide |
| Why should you always lower the coverslip into the slide at an angle? | Reduce Air Bubbles |
| Why might you stain a specimen? | It makes it easier to see under the microscope |
| Are all ANIMAL CELLS identical, or the same? | No (they have the same cell parts inside but may look a little different) |
| What are some types of ANIMAL CELLS? | Nerve Cells, Muscle Cells, Sperm Cells, Egg Cells |
Created by:
sloanescience
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