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The Cell in Action
Cell
| Question | Answer |
|---|---|
| Materials move in and out of the cell across the ______________ | cell membrane |
| the movement of particles from regions of higher density to regions of lower density is called_________ | diffusion |
| the diffusion of water through a semipermeable membrane is called_________ | osmosis |
| What is semi-permeable membrane? | its a membrane that only some substances can pass through it. |
| Why is cell membrane is a type of semi-permeable membrane? | water can pass though it, but most other substances cannot. |
| What is endocytosis? | the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell |
| What is exocytosis? | the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane |
| What is active transport? | he movement of substances across the cell membrane that requires the cell to use energy |
| What is passive transport? | the movement of substances across a cell membrane without the use of energy by the cell |
| What are types of passive transport? | Diffusion and osmosis |
| What organelle is used to enter and exit the cell? | Vesicle |
| What is the Photosynthesis formula? | 6CO + 6H O + light energy (arrow) C H 0 + 6O 2 2 6 12 6 2 |
| ________ is the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell | endocytosis |
| ______ is the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane | exocytosis |
| what are the three types of environments in which a cell can exist? | isotonic, hypertonic and hypotonic |
| In an _______environment, water flows into and out of the cell at the same rate. | isotonic |
| In a __________ environment, water leaves the cell. | hypertonic |
| In a ___________ environment, water flows into the cell. | hypotonic |
| ____________ is the process by which some organisms use sunlight, carbon dioxide, and water to produce sugar and oxygen. | Photosynthesis |
| What are the three types of pigments that plants use to absorb sunlight? | chlorophyll a chlorophyll b carotenoids |
| Animal cells have different ways of getting energy from food. One way, called _____________ | cellular respiration |
| Many cells can get energy without using oxygen through a process called _______________. | fermentation |
| The _________ is a repeating sequence of cellular growth and division during the life of an organism. | cell cycle |
| The cell cycle can be divided into two main phases __________and _________ | interphase M phase |
| In a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA. What is it? | chromosome |
| In eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes. What is it? | mitosis |
| the division of the cytoplasm of a cell is called ________ | cytokinesis |
| Chromosomes that have the same sequence of genes and the same structure are called ________ _________ | homologous chromosomes |
| What are the cell phases? | G1, S, G2, M |
Created by:
mystudystuck
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