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human bio chap 3
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Question | Answer |
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what is the 6 functions of cells? | Basic unit of life, Protection and support, movement, communication, cell metatbolism and energy release, and inheritance. |
What are organelles? | any of a number of organized or specialized structures within a living cell. |
cell membrane/ plasma membrane? | cell membrane- the semipermeable membrane surrounding the cytoplasm of a cell |
extracellular substance? | situated or taking place outside a cell or cells |
intracellular substance? | located or occurring within a cell or cells |
mosaic model? | moving model through the membrane. |
What is a nucleus? | power house and brain of the cells. |
what is nucleolus? | a small dense spherical structure in the nucleus of a cell during interphase. |
What is Rough ER? | it has ribosomes attached to it |
What is Smooth ER? | it has no ribosomes attached to it |