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Pershing Cells 1,2,3
| Question | Answer |
|---|---|
| archaea | prokaryotes that include extremophiles, organisms, that live in extreme conditions |
| cell membrane | a protective layer that covers the cell's surface and acts as a barrier a barrier that encloses and protects the cell |
| bacteria | prokaryotes that are the smallest cells and that have ribosomes |
| eukaryote | an organism made up of cells that have a nucleus enclosed by a membrane as well as membrane-bound organelles |
| nucleus | in a eukaryotic cell, an organelle that contains the cell's DNA and that has a role in growth a large organelle that produces and stores the cell's DNA |
| organelle | small bodies in a cell's cytoplasm that are specialized to perform specific functions |
| prokaryote | an organism that consists of a single cell that does not have a nucleus or membrane-bound organelles |
| ribosomes | tiny, round organelles made of protein and other material organelles that make proteins |
| surface area-to-volume ratio | the reason that most cells are limited to a very small size |
| cytoplasm | the fluid inside a cell |
| cell wall | a rigid structure that gives support to a cell |
| chloraplasts | organelles in which photosynthesis takes place |
| cytoskeleton | a web of proteins in the cytoplasm that keeps a cell's membrane from collapsing |
| endoplasmic reticulum | a system of folded membranes that functions as the internal delivery system of a cell |
| Golgi complex | the organelle that packages and distributes proteins |
| lysosomes | organelles that contain digestive enzymes |
| mitochondrion | an organelle that functions as the main power source of a cell, breaking down sugar to produce energy |
| What are human beings? | organisms |
| Name a benefit of being a large organism. | fewer predators |
| A multicellular organism... | is not limited to or dependent on the life of a single cell. |
| Tissue | A group of cells with the same function |
| What is ground tissue? | The type of tissue in which photosynthesis can take place |
| organ | two or more tissues |
| organ system | two or more organs |
| What can multicellular organisms can have? | Specialized cells |
| system | the highest level of organization |
| What are the functions of an organism's parts related to? | Their structures |
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