| A | B |
|---|
| All living things are composed of | CELLS |
| In plant and animal cells, the control center of the cell is the | NUCLEUS |
| A storage compartment of the cell is the | VACUOLE |
| Starch is an example of a | CARBOHYDRATE |
| Olive oil is an example of a | LIPID |
| The process by which water moves across the cell membrane is called | OSMOSIS |
| Bacterial cells do not have | NUCLEUS |
| Ribosomes produce | PROTEINS |
| The cell membrane is | SELECTIVELY PERMEABLE |
| Cells were discovered using | MICROSCOPES |
| What role did the microscope play in the development of the cell theory? | The microscope enabled people to learn about cells by magnifying the cells for study |
| The cell wall | PROTECTS and SUPPORTS the cell |
| Convert energy in food molecules to energy the cell can use | RIBOSOMES |
| Carries material through the cell | ENDOPLASMIC RETICULUM |
| Receive materials, package and distribute them | GOLGI BODIES |
| Capture energy from sunlight and use it to produce for food for the cell | CHLOROPLASTS |
| Storage areas of cells | VACUOLES |
| Contain chemicals that break down materials in cell | LYSOSOMES |
| Explain the difference between elements and compounds. | Elements CANNOT be broken down into simpler substances. Compounds CAN be broken down into simpler substances. |
| How are enzymes important to living things? | Without enzymes, chemical reactions are necessary to life would take too long or not happen at all. |
| What are the functions of DNA and RNA? | DNA - genetic material passed from parent to offspring; RNA - produce proteins |
| What is diffusion? What function does diffusion have in the cell? | Diffusion is the main method by which small molecules move across the cell membrane. The molecules move from an area of higher concentration of an area of lower concentration. |
| Explain the relationship between cell size and the movement of materials into and out of cells. | It would take much longer for a molecule to reach the center on a very large cell than it would a small cell. Likewise, it would take a long time for wastes to be removed. If a cell was too large, it would not be able to function correctly for it to survive. |
| How are plant and animal cells similar? | Both have a nucleus and cell membrane. |
| How are plant and animal cells different? | 1. Plant cells are rectangle shaped, Animal cells are circle shaped. 2. Plant cells are arranged in a grid, kind of like bricks . Animal cells are all smooched together. 3. Plant cells have a Cell wall and Chloroplasts. |
| Explain how active transport is different from osmosis? | Active transport moves materials through the membrane but requires energy. Osmosis is diffusion of water molecules through membrane and does not require cellular energy. |
| How does a plant cell change after the plant is watered? | The cells became more rigid because the vacuoles refilled. |
| A solution consists of 24 g of table sale dissolved in 2 L of water. Express the concentration of salt in the form of a ratio. | 24g: 2L reduces to 12g:1L or 12g/l |
