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science- germs
vv: what makes you sick
| Question | Answer |
|---|---|
| Eukaryotes that have cell walls, reproduce by spores,and get food by absorbing it from their surroundings. | fungi (singular: fungus) |
| The most common form of one-celled organisms | bacteria (singular, bacterium) |
| An organism whose cells have nuclei. | eukaryote |
| A single-celled organism that does not have a nucleus. | prokaryote |
| An organism that can be seen only through a microscope. | microbe (or microorganism) |
| A substance that causes a chemical change in another substance. | enzyme |
| The combination of chemical reactions that takes place in an organism; food is converted into energy that the organism uses to carry out its life processes. | metabolism |
| The process by which an organism keeps its internal environment in a constant condition despite changes in its external environment. | homeostasis |
| In bacteria, a dormant structure that allows the bacterial cell to survive unfavorable conditions. In fungi, a cell that develops into a new organism. | spore |
| Temporarily not active. | dormant |
| Substance that can kill microorganisms. | disinfectant |
| A string-like part on some cells that helps the cell move. | flagellum (plural, flagella) |
| A poisonous substance. | toxin |
| A type of substance found in food that builds muscle and body tissue. | protein |
| A white, or slightly yellow or green substance that your body develops in response to an infection;it is made up of dead skin, white blood cells (that fight infection), and some bacteria. | pus |
| Matter that is coughed up and mixed with saliva. | sputum |
| The structural and functional unit of all living organisms. (What a living thing is made of and what makes it work.) It is sometimes called the “building block” of life. | cell |
| Makes something look larger but does not actually enlarge the physical size of the object. | magnifies |
| A theory about the relationship between cells and living things. | cell theory |
| A specialized structure in a cell | organelle |
| The control center of the cell. | nucleus |
| The structures containing the genetic material of the cell. | chromosomes |
| Contains the information that determines the traits of an organism; hereditary material. | genetic material |
| A structure that surrounds the cell; controls the movement of materials into and out of the cell. | cell membrane |
| The watery fluid that contains the organelles of the cell. | cytoplasm |
| Provides the cell with energy. | mitochondrion (plural, mitochondria) |
| The process by which food and oxygen are converted to energy, carbon dioxide,and water. | cellular respiration |
| An organelle that contains the green pigment chlorophyll used in photosynthesis. | chloroplast |
| A green pigment that makes photosynthesis possible in plants | chlorophyll |
| The process by which plants make sugar and oxygen, using light, water, and carbon dioxide. | photosynthesis |
| Protects and supports the plant cell. | cell wall |
| A microscope that has more than one lens and uses light transmitted to your eye to form an image. | compound light microscope |
| The circle of light you see when you look through a microscope. | field of view |
| The length of the line through the middle of a circle from one side to the other. | diameter |
| A comparison of two numbers. | ratio |
Created by:
drabek
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