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Definition
a complete living thing
Organisims must have
--life spans
--can reproduce
--grows
--are made of cells |
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Term
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Definition
| a tiny unit of living material surrounded by a thin membrane |
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Definition
| the material inside a cell |
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Definition
| a group of similar cells working together |
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Definition
| many cells that live together but can live alone |
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Definition
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Definition
| a complex organization of nonliving substances that is kept alive by using energy |
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Definition
all cells come from pre-existing cells |
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Definition
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Definition
| are.....THE SMAllest structure in a cell ...........................molecules are made of atoms |
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Term
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Definition
| is the movement of substances from a area of high concentration to a area of low concentration. |
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Term
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Definition
| is the movement of substances through a membrane without the use of the cells own energy. active transport requires the cell to use its own energy |
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Definition
| is the diffusion of water through a selectively permeable. |
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Term
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Definition
| is the thin covering that all cells have. |
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Definition
| is the most accurate membrane model. |
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Definition
| a living thing composed entirely of one cell |
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Definition
| a living thing composed of more than one cell and whose individual cells can't live apart from the organism |
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Definition
| a substance made of long chains of amino acids |
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Definition
| molecule that contains the genetic information of a cell. DNA & RNA are the main types. |
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Definition
| a substance such as fat or oil |
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Definition
| allowing only certain molecules to pass through |
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Definition
| the passage of particles through a membrane requiring the use of the cellular energy |
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Definition
| a rigid structure manufactured by certain organisms and secreted to the exterior of the cell |
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Term
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Definition
| the parts of the cell that perform many of the functions needed to keep the cell alive |
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Term
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Definition
| the cellular organelles in which aerobic respiration occurs to release usable energy from food |
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Definition
| a cellular organelle consisting of a network of membranes that enables substances to be transported throughout the cell |
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Definition
| a cellular organelle that directs the assembling of proteins |
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Definition
| a cellular organelle that collects chemicals from the cytoplasm, processes them and secretes them |
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Definition
| an organelle that contains digestive enzymes |
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Definition
| a cellular organelle that contains chlorophyll and other pigments. The organelle in which photosynthesis occurs. |
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Term
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Definition
| short, hair-like extensions from a cell membrane which aid in movement |
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Definition
| Long, hair-like extensions from a cell membrane which aid in movement |
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Definition
| the cellular organelle that contains the chromosomes, the control center of the cell |
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Term
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Definition
| a strand of DNA with associated proteins, usually found in the nucleus of the cell, the basis of heredity |
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