Term
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Definition
| 1. all living things are composed of cells. 2. cells are the basic unit of structure and function in living things. 3. cells are produced from existing cells |
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Term
| what are the differences between prokaryotic and eukaryotic cells? |
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Definition
prokaryotic= no nucleus; simple; no membrane bound organelles
eukaryotic= has a nucleus;complex;make up almost all multicellular organisims |
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Term
| what does the nucleus contain? |
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Definition
- nearly all the cell's DNA
- coded instructions for making proteins
- other important molecules
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Term
| where are proteins assembled? |
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Definition
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Term
| what do the two types of endoplasmic reticulum do? |
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Definition
- makes membranes and secretory proteins
- makes lipids and helps to remove harmful substances
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Term
| what is the function of the Golgi apparatus? |
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Definition
| modify, sorts, and packages proteins and otherr materails from the endoplasmic reticulum for storage or secretion outside the cell |
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Term
| what does the mitochondria do? |
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Definition
converts chemical energy stored in food into compunds that are more convenient for cell to use.
MIGHTY MITOCHONDRIA! :) |
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Term
| what is the function of the chloroplasts? |
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Definition
| capture energy from sunlight and converts it into chemical energy |
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Term
| what is the cytoskeleton? |
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Definition
| a network of protein filaments that helps the cell to maintain its shape |
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Term
| name some things that all cells have |
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Definition
- a cell membrane
- ribosomes
- cytoplasm
- DNA
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Term
| name some things that some cells have. |
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Definition
- nucleus
- cell wall
- chloroplasts
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Term
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Definition
| the movement of any molecule from a higher concentration to a lower concentration |
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Term
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Definition
| the diffusion of water through a selectively permeable membrane |
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Term
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Definition
| more solute than what its being compared to |
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Term
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Definition
| less solute than what its being compared to |
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Term
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Definition
equal amounts of solute between 2 solutions
(reached an equilibrium) |
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Term
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Definition
| cell organelle filled with enzymes needed to break down certain materials in the cell |
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Term
| where is the chromatin located? name the two places |
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Definition
- spread through the nucleus
- when the cell divides it condenses to form chromosomes
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Term
| what makes up the cell wall? |
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Definition
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Term
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Definition
| process in which extensions of cytoplasm surround and engulf large particles and take them into the cell |
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Term
| what are the levels of organization in multi cellular organisms? |
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Definition
| cells--->tissue--->organ--->organ system--->organism |
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