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science
unit7
Question | Answer |
---|---|
mitochondria definition | converts energy into food molecules to energy the cell can use to carry out its functions |
ribosomes definition | produce protein |
nucleus definition | controls most cell activities and contains genetic material in form of dna |
cytoplasm definition | fills cell and moves constantly |
cell membrane definition | controls wHAT GOES IN AND OUT OF CELL |
what is diffusion | process where molecules move from an are of high concentration to are with low concentraton |
what is replication | process where cell makes a copy of dna in its nucleus before cell division |
what is homeostasis | condition in which an organisms internal environment is kept stable in spite of changes in the external environment |
3 parts of cell theory | *all living things are made of cells *cells are the basic units of structure and function in living things *all cells are made of other cells |
resolution and magnification difference | magnification makes things bigger resolution make out more detail |
what is an element | pure substance that cant be broken down into other substances by chemical or physical means |
who first saw cork cells | robert hooke |
who named cells after little box shaped rooms | robert hooke |
what is the order of the phases of mitosis | prophase metaphase anaphase telephase |
what organelle is in plant cells but not animal cells | chloroplast |