Unit 1-4 Re-test Study Guide

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Unit 1-4 Re-test Study Guide 1.2.1 Homeostasis and Cell Transport 1. What is “selectively permeable membrane” also known as? 2. What is osmosis? 3. What are several the function of a plant’s roots? How does it relate to osmosis? 4. What is diffusion? Draw a diagram explaining the concept. 5. What type of transport goes from a low concentration gradient to a high concentration gradient? 6. If a cell with 10% salt is placed in a beaker with a solution that has 25% salt, what will happen to the cell? Draw a diagram to explain.

Unit 1-4 Re-Test Study Guide 1.1.3 Specialized Cells For questions #1-3, use the diagram to the left. #1 is the waxy cuticle, what is its function? Which number helps with cellular respiration (gas exchange)? Guard cells protect what special cell? Draw a diagram flower and label the anther and ovule. Which is the male part? Which is the female part? Which special cell helps with preventing water loss? What is the function of xylem? What is the function of phloem?

Unit 1-4 Re-Test Study Guide What is purpose of a cell membrane? How is this different than a cell wall? Which organelle helps with converting sunlight into chemical energy? Draw it. Which organelle is ATP made? Draw it. Which organelle holds water and waste? Draw it. What is the function of the nucleus? Draw it. Draw the structure of a cell membrane.