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Definition
| What are all organisms made of? |
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Definition
| A group of cells that work together to perform a specific function is a(n) |
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| the surface area-to-volume ratio |
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Definition
| What restricts the size of most cells? |
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Definition
| What part of the cell acts as the cell's delivery system? |
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Definition
| A group of organs that work together to perform a particular function is called a(n)? |
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| instructions for how to make a protein |
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Definition
| A cell's nucleus contains DNA, which carries genetic material with . . . |
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Definition
| What is the fluid and all the cell components in the fluid except for the nucleus inside a cell called? |
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Definition
| Leeuwenhoek called the single-celled organisms that he found in pond scum "animalcules." Today we know them as . . . |
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Term
| Could not see animal cells in his microscope |
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Definition
| Robert Hooke thought that animals did not have cells because he . . . |
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Definition
| What cell parts carry materials between organelles such as the ER and the Golgi complex? |
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Term
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Definition
| An organ consists of . . . |
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Term
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Definition
| Even simple multicellular organisms can have . . . |
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Definition
| The complex sugar cellulose is found in the cell walls of . . . |
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Term
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Definition
| What part of the cell keeps the cell membrane from collapsing? |
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Term
| Each is more complex than the level below it |
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Definition
| Which of the following is true of each of the levels of organization of living things? |
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Term
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Definition
| What are two levels of classification that scientists group organisms in? |
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Definition
| What part of the cell forms a barrier between the cell and its environment? |
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Definition
| What is the job of lysosomes? |
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Definition
| Energy released by a cell's mitochondrionis stored in . . . |
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Term
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Definition
| A group of cells that work together to perform a specific function is a(n) |
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Term
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Definition
| Vaious tissues that work together to perform a specific job constitute . . . |
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Term
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Definition
| Cells that have no membrane-covered organelles are . . . |
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Term
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Definition
| The compartment that pinches off from the Golgi complex's membrane is a(n) |
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Term
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Definition
| DNA, the genetic material in cells, is located in the eukaryotic cell's . . . |
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Term
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Definition
| The role of the cell's _________ is to release energy that can be used to power various cellular processes. |
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