SCI-7 U8 Word Scramble
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Question | Answer |
cell | The smallest unit that can perform all life processes and contains all of the materials necessary for life. |
stimulus | Anything in the environment that causes a response or change in an organism. |
homeostasis | The process of an organism maintaining a constant and stable internal state in a changing environment. |
metabolism | The total of all chemical activities that an organism performs. |
proteins | One of the five chemical building blocks of cells that are used to build cells and cellular structures. |
amino acids | The molecules that make up proteins. |
carbohydrates | One of the five chemical building blocks of cells that are used as a source of energy and for energy storage. |
simple carbohydrate | A carbohydrate made of one sugar molecule or a few linked sugar molecules. |
complex carbohydrate | A carbohydrate made of hundreds of sugar molecules linked together. |
lipids | One of the five chemical building blocks of cells that store energy and make up the cell membrane. |
phospholipids | A special type of lipid that forms much of the cell membrane. |
ATP | One of the five chemical building blocks of cells that the major energy-carrying molecules in the cell. |
nucleic acids | One of the five chemical building blocks of cells that carry the genetic information of an organism. |
nucleotides | The molecules that make up nucleic acids. |
photosynthesis | The process by which plants make their own food (sugar) from carbon dioxide, water, and energy from sunlight. |
chlorophyll | The green pigment in plants that absorbs light energy. |
glucose | The sugar produced during photosynthesis. |
cellular respiration | The process by which cells use oxygen to release energy from food. |
cuticle | A waxy coating that protects the plant from water loss. |
stoma | The opening in a leaf’s epidermis (outer layer) through which carbon dioxide and oxygen are exchanged. |
guard cells | The “double doors” that open and close a stoma for gas exchange. |
transpiration | The loss of water from the leaves of plants. |
tropism | Plant growth in response to a stimulus. |
phototropism | The process that occurs when plants grow towards light. |
gravitropism | The process that occurs when plants grow shoots away from gravity (upwards). |
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susanmason
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