Question | Answer |
What are all living things composed of? | Cells |
What are cells? | The basic unit of structure and function of all living things. |
What are cells produced from? | Other Cells |
How do plant cells differ from animal cells? | Plant cells have a cell wall and cholorplasts |
How are vacuoles in plant cells different from vacuoles in animal cells? | Plant cells often have one large vacuole versus an animal cell which has several small ones. |
What is the function of the cell membrane? | Controls what substances enter and leave the cell. |
Who was the first scientist to see tiny living things that moved? | Anton vanLeeuwenhoek |
What are ribosomes? | Organelles that produce proteins. |
What is the function of the nucleus? | Cell's control center, directs all cell activities |
What is the function of the nucleolus? | Ribosome production |
What is the function of the endoplasmic retiuculum? | Cell "highway" carries proteins and other materials from one part of the cell to another. |
What is the function of mitochondria? | "Powerhouse" of the cell; converts energy in food molecules to energy |
What is cytoplasm? | Region between the cell membrane and the nucleus |
What is the function of the Golgi Bodies? | Packaging department - receive new proteins, package them and distribute to other parts of the cell |
What are chloroplasts? | Capture energy from the sun and use it to produce food for the cell |
What are vacuoles? | Storage area for a cell |
What does a bacterial cell lack that plant and animal cells have? | Nucleus |
What are DNA and RNA examples of? | Nucleic Acids |
Give two examples of Carbohydrates. | Sugars and Starches |
What is osmosis? | The diffusion of water molecules through a selectively permeable membrane |
What are proteins made up of? | Amino Acids |
What is the ability to clearly distinguish the individual parts of an object? | Resolution |
What is the ability to make an object appear larger? | Magnification |
What element do all organic compounds contain? | Carbon |
Fats, oils and waxes are all examples of what? | Lipids |
What helps speed up chemical reactions in living things? | Enzymes |
What is the main method by which small molecules move across the cell membrane? | Diffusion |
What is the process of the movement of dissolved materials through a cell membrane without using cellular energy | Passive Transport |
What is the movement of materials through a cell using its own energy. | Active Transport |
Who was the first person to observe the cells of a cork? | Robert Hooke |
Who concluded that all plants are made up of cells? | Matthais Schleiden |
Who concluded that all animals are made up of cells? | Theodor Schwann |
What is the passage of water from an area of high concentration to low concentration? | Osmosis |