SCI-7 U9 Word Scramble
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Question | Answer |
Cell Theory | A scientific theory that describes the properties of cells, the basic unit of structure in every living thing. |
Function | The job that a cell, tissue, organ, or organ system does. |
Structure | The arrangement of a cell, tissue, organ, or organ system, including the shape and the material of which it is made. |
Cell Membrane | The protective layer that covers the cell’s surface, acts as a barrier, and controls materials going into and out of the cell. |
Nucleus | A membrane-enclosed organelle found in eukaryotic cells that contains most of the cell's genetic material and controls the activities of the cell. |
Organelles | Cellular structures that perform specific functions within the eukaryotic cell. |
Unicellular Organism | A living thing that consists of only one cell. |
Multicellular Organism | A living thing that consists of more than one cell. |
Specialization | Each cell in a multicellular organism having a specific job. |
Tissue | A group of cells that work together to perform a specific job. |
Organ | A structure that is made of two or more tissues working together to perform a specific function. |
Organ System | A group of organs that work together to perform a specific function. |
Organism | Anything that can perform life processes by itself. |
Cell Division | The process by which a parent cell divides into two or more daughter cells. |
Differentiation | The process by which their structure and functions become specialized to perform specific jobs. |
Stem Cells | Undifferentiated cells that can differentiate into specialized calls and can then undergo cell division to form tissues and possibly organs. |
Selectively-Permeable | The property of the cell membrane that allows some substances to move in and out of the cell but not others. |
Osmosis | The movement of water across a cell membrane from a region of high concentration to a region of low concentration. |
Diffusion | The movement of an atom or molecule across a cell membrane from a region of high concentration to a region of low concentration. |
Heredity | The passing of genetic material from a parent organism to its offspring. |
Gene | Sections of genetic material that contain instructions for an inherited trait. |
Dominant Trait | Traits that are visible in the offspring when parents that have different traits are bred. |
Recessive Trait | Traits that disappear and are not observed in the offspring when parents that have different traits are bred. |
Allele | Different forms of genes. |
Punnett Square | A diagram used to figure out what type of offspring will be produced when two parents are bred by sexual reproduction. |
Cytoplasm | The gel-like substance enclosed within the cell membrane. |
Prokaryotic Cell | A simple cell that does not have a nucleus and has few membrane-enclosed organelles. |
Eukaryotic Cell | A more complex cell that contains a nucleus and more membrane-enclosed organelles. |
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susanmason
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