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Biology Chapter 5
YEAH BIO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
| Question | Answer |
|---|---|
| understanding that all living thins are composed of cells and that all cells come from preexisting cells | cell theory |
| cell structure that regulates the passage of materials between the cell and its environment; aids in the protection and support of the cell | cell membrane |
| cells structure that surrounds the cell membrane for protection and support in plants, algae, and some bacteria | cell wall |
| in cells, the organelle that controls the cell's activities and contains DNA | nucleus |
| single celled organism whose cells do not have a nucleus | prokaryote |
| organism made up of cells that have a nucleus | eukaryote |
| membrane that surrounds the nucleus of a cell | nuclear envelope |
| cell structure that contains RNA and proteins | nucleolus |
| threadlike structure in a cell that contains the genetic information that is passed on from one generation of cells to the next | chromosomes |
| area between the nucleus and cell membrane of a cell | cytoplasm |
| cell structure that performs a specialized function within the cell | organelle |
| organelle that changes chemical energy stored in food into compounds that can be used by the cell | mitochondrion |
| organelle that converts sunlight into chemical energy in plants | chloroplasts |
| organelle in which proteins are made | ribosome |
| complex network that transports materials throughout the inside of a cell | endoplasmic reticulum |
| organelle that modifies, collects, packages, and distributes molecules made at one location of the cell and used at another | Golgi apparatus |
| organelle that contains chemicals and enzymes necessary for digesting certain materials in the cell | lysosomes |
| plant cell organelle involved in the storage of food and pigments | plastids |
| organelle that stores materials such aas water, salts, proteins, and carbs | vacuole |
| framework of the cell composed of a variety of filaments and fibers that support cell structure and drive cell movement | cytoskeleton |
| process by which molecules of a substance move from areas of higher concentration of that substance to areas of lower concentration | diffusion |
| description of a biological membrane that allows some substances to pass through but not others | selectively permeable |
| diffusion of water molecules through a selectively permeable membrane from an area of higher water concentration to an area of lower water concentration | osmosis |
| diffusion of materials across a cell membrane assisted by carrier molecules | facilitated diffusion |
| energy requiring process that moves material across a cell membrane against a concentration difference | active transport |
| characteristic of certain cells that makes them uniquely suited to perform a particular function within an organism | cell specialization |
| levels of organization | cells, tissues, organ, organ system, organism |
| a group of similar cells that perform a particular function | tissue |
| group of tissues that work together to perform a specific function | organ |
| a group of organs that work together to perform a specific function | organ system |
| something that has all the 5 characteristics of living things | organism |
Created by:
emilymarie
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