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miatscience
science vocab words chapter 3
Question | Answer |
---|---|
a complete living thing | organism |
the tiny, living, structural, and functional unit of all living things; the smallest unit that can be alive. | cell |
all the material, except the nucleus, inside a cell. | cytoplasm |
a living thing composed entirely of one cell. | unicellular organism |
a living thing that is composed of more than one cell and whose individual cells are not normally able to live singly apart from the organism | multicellular organism |
a group of similar cells that together perform a specific function. | tissue |
a living thing that is composed of a group of similar cells living together; each cell is capable of living individually. | colonial organism |
the ability to do work. | energy |
a characteristic produced when organized systems of non-living substances use energy and maintain the characteristics of living things. | physical life |
man's relationship with God. | spiritual life |
the theroy that all living things are made up of microscopicunits called cells and that cells carry on the functions of living things. | cell theroy |
the smallest unit existing as a particular substance. | molecule |
a substance that contains only carbon, hydrogen, and oxygen, e.g., sugar or starch. | carbohydrate |
a substance made of long chains of amino acids; may serve as an enyzme or as a cellular building block; found in certain foods. | protein |
a molecule that contains the genectic information of a cell; DNA and RNA are the main types. | nucleic acid |
a substance such as fat or oil; not soluble in water; an important component of membranes. | lipid |