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Mrs. Parker's Cells
Review of Cell History & Cell Parts - Chapter 17
| Question | Answer |
|---|---|
| smallest unit that can perform all life processes | cell |
| fluid in the cell that holds almost all of the cell contents | cytoplasm |
| protective barrier that controls what goes in and out of cell | cell membrane |
| structures that perform specific functions within the cell | organelles |
| control center of the cell where DNA is found | nucleus |
| genetic material that carries hereditary information | DNA |
| Name 2 kinds of cells | prokaryotic & eukaryotic |
| many cells | multicellular |
| First person to see cells | Robert Hooke |
| Who discovered single-celled organisms including bacteria? | Leeuwenhoek |
| He said that all plant parts were made of cells | Schleiden |
| He concluded tht all animal tissues were made of cells | Schwann |
| He said that all cells come from existing cells | Virchow |
| an organism that consists of a single cell that does not have a nucleus | prokaryote |
| an organism made up of cells that have a nucleus enclosed by a membrane | eukaryote |
| What are the world's smallest cells? | bacteria |
| animal cell part that digests food | lysosome |
| bacteria that lives in extreme conditions | extremophiles |
| smallest organelle in the cell - makes proteins | ribosomes |
| place in a plant cell where photosynthesis takes place | chloroplasts |
| "powerhouse" of the cell | mitochondria |
| acts as a "highway" to transport materials throughout the cell | endoplasmic reticulum |
| stiff outer covering of a plant cell | cell wall |
| packages and exports proteins in the cell | Golgi complex |
| bubble structure that is used to move materials in and out of the cell | vesicle |
| breaks down worn out parts and digests food | lysosome |
| group of cells working together | tissue |
| two or more tissues working together | organ |
| the job a part does in an organism | function |
| arrangement of parts in an organism | structure |
| How do you find total magnification on a microscope? | multiply eyepiece magnification by the magnification of the objective lens |
| maintains correct distance between lenses on a microscope | body tube |
| holds the microscope slide in place | stage clips |
| used to sharpen details of the object | fine adjustment knob |
| composed of one cell | unicellular |
| two or more organs working together | organ system |
| What controls the size of a cell? | Ratio of surface area to volume |
| highest level of organization in the body | system |
| prevents the cell membrane from collapsing | cytoskeleton |
| Advantages of multicellular organisms | larger size (fewer predators), longer life, and specialization |
| the large vesicle in a plant cell | vacuole |
| What is the total magnification on a microscope with an eyepiece of 10X and an objective lens of 30X? | 300X |
| What type of eukaryotic cell is typically round? | animal |
| What type of eukaryotic cell is rectangular? | plant |
| Part of the microscope that supports the slide | stage |
| part of the microscope that holds the objective lenses and rotates | nosepiece |
| part of microscope that moves the body tube and brings the object into view | coarse adjustment knob |
| part of the microscope that controls the amount of light that enters | diaphragm |
| Name types of tissue | muscle, connective, protective, nerve |
| Name major organs in plants | roots, stems, leaves |
| Name major organs found in animals | heart, lung, kidney, intestine, stomach |
| Name the parts of the cell theory. | All organisms are made of 1 or more cells. The cell is the basic unit of life. All cells come from other cells. |
Created by:
anita.parker
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