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Cell Processes 7
| Question | Answer |
|---|---|
| Why is the cell membrane called the gatekeeper for the cell? | It decides what comes in and leaves the cell. |
| What does semipermeable mean? | It allows some substances to enter and leave but not others. |
| What is homeostasis? | A steady state or a state of balance |
| What is passive transport? | Transport that happens without expending any cellular energy |
| Name 2 types of passive transport. | Diffusion and Osmosis |
| What is diffusion? | The movement of solutes across the cell membrane from an area of high concentration to an area of low concentration. |
| What is osmosis? | The diffusion of water (high to low) |
| What is the energy of the body? | ATP |
| What happens to a cell if it is placed in a solution with a higher water content? | It will swell. |
| What happens to a cell if it is placed in a solution with a lower water content? | It will shrink |
| What happens to a cell if it is placed in a solution with a equal water content? | It will stay the same. |
| What is active transport? | Moving substances across the cell membrane USING ENERGY |
| If a substances is going across the membrane from a low concentration to a high concentration we call that | Active transport |
| Engulfing is an example of | Active Transport |
| Photosynthesis happens in what organelle? | The chloroplast |
| What is the name of the pigment that absorbs energy from the sun? | Chlorophyll |
| What are the reactants in photosynthesis? | carbon dioxide and water |
| What are the products of photosynthesis? | glucose and oxygen |
| What is an autotroph? | An organism that makes its own food |
| What is a heterotroph? | An organism that eats other organisms. |
| What is cellular respiration? | When our food is broken down and released as usable energy |
| Where does respiration take place? | Mitochondria |
| The reactants in respiration are | glucose and oxygen |
| The products of respiration are | carbon dioxide, water and ATP |
| Why do grocery stores install water sprayers in the produce section? | Because when water is sprayed on the fruits and vegetables they take in water through the process of osmosis. This makes them appear fresh. |
| What happened to our gummy bears during our first day of lab? (When we placed them in pure water) | The swelled up because of osmosis. Water traveled into the bears. |
Created by:
cwalczak
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