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7th Science Cell
Cell Structure
Question | Answer |
---|---|
Cell – | the basic unit of structure and function of life. |
Prokaryotic – | cells that do not have membrane-bound structures. |
Eukaryotic – | cells that have membrane-bound structures. |
Unicellular – | organisms made of only one cell. |
Multicellular – | organisms made of many cells. |
Robert Hook – | British scientist who was the first person to observe cells. |
Cell Membrane – | encloses the cell and acts like a gatekeeper, allowing some materials to pass through it, but not others. |
Cytoplasm – | gel-like fluid that takes up most of the space inside of a cell; mostly made of water. |
Organelles – | carry out the activities that keep the cell alive; means "little organ." |
Nucleus – | structure usually located near the center of an animal cell and home to chromosomes. |
Chromosomes – | genetic structures that contain the information used to direct cell activity and make new cells. |
DNA – | stands for "deoxyribonucleic acid"; chromosomes are made of this. |
Nuclear membrane – | surrounds and protects the nucleus. |
Nucleolus – | |
Vacuoles – | |
Mitochondria – | |
Endoplasmic Reticulum/Ribosomes – | |
Golgi Bodies – | |
Cell wall – | |
Cell Membrane – | |
Cytoplasm – | |
Organelles – | |
Nucleus – | |
Chloroplasts – | |
Chlorophyll – | |
Golgi bodies – |