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8U2C2
Cell Theory and Cell Structure
| Question | Answer |
|---|---|
| cell theory | States all organisms are made of cells, the cell is the basic building block of like, every cell comes from another existing cell. |
| Robert Hooke | First to observe cells with a microscope in the 1660s |
| organelles | Parts of the cell do many things like process and release energy, destroy and digest materials, and replicate genetic information. |
| cell membrane | A layer on the outside of the cell that holds the cell together |
| semipermeable | It can let certain stuff through and keep other things out (or in). |
| cell wall | It is a tough and rigid outer layer that protects the cell and gives it shape. |
| cellulose | Long threads of fiber that allow water and other materials through |
| cytoplasm | The jellylike substance inside the cell wall |
| cytoskeleton | made of thin protein fibers are hollow protein tubes, maintains the structure and helps things move around in the cell |
| ribosomes | The protein |
| Cells | What are the building blocks of life? |
| nucleus | The control center of the cell |
| chromosomes | Strands made of DNA |
| DNA | (Deoxyribonucleic acid) the code for genetic information |
| nuclear membrane | A protective double membrane surrounding the nucleus that controls the flow of materials in and out of the nucleus |
| nucleolus | A small structure found inside the nucleus that makes ribosomes and transports them to the cytoplasm |
| vacuoles | are temporary storage bubbles for the cell that store water, food, and waste. |
| lysosome | have chemicals to break down food, cell waste, and foreign particles that enter the cell, such as bacteria and viruses. |
| mitochondria | are the cell's powerhouse. They release energy in food by carrying out a reaction with oxygen. |
| endoplasmic reticulum | The transport facility of the cell, it is folded membranes, and it possesses and moves materials. |
| Golgi bodies | organelles that package cellular materials and transport them within the cell or out of the cell |
| chloroplasts | are food production structures that contain chlorophyll |
| chlorophyll | a green pigment that makes the plant look green |
| tissue | A group of cells doing a similar job |
| organs | Formed from tissues work together |
| organ system | formed from organs working together |
| Single cell | The smallest living organisms are made of a _______ _____. |
| nucleus | The _________ is the control center of a cell. |
| cellulose | Plant cells have cell walls made of _______ that provide structural support. |
| They provide the cell with energy | What do mitochondria do? |
| Chloroplasts | Plant cells have ______, which produces food from sunlight. |
| Vacuoles | The cell stores food and waste in _______. |
| Proteins | Ribosomes receive directions from hereditary material to make certain _______. |
Created by:
Ms. Greenup
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