Download Chap 7 HW Biology Due Date: Please compl

Name:______________________________ Period:_________ Chap 7 HW ­ Biology Due Date:__________________ Please complete on a SEPARATE sheet of paper. Chap 7.1 1. What is a cell? 2. What three statements make up the cell theory? 3. What features do all cells have? 4. What is the MAIN difference between prokaryotes and eukaryotes? Chap 7.2 1. What are the two major parts of the cell? 2. What is the difference between the smooth ER and rough ER? 3. What is the function of the mitochondria? 4. You examine an unknown cell under a microscope and discover that the cell contains chloroplasts. From what type of organism does the cell likely come? 5. Why is the cell membrane sometimes referred to as a fluid mosaic? What part of the membrane acts like a fluid? What makes it a mosaic? 6. How do the properties of liquids help explain the structure of a cell membrane? 7. Why do you think it’s important that cell membranes are ​
selectively p
​ermeable? Chap 7.3 1. What happens during diffusion? 2. Describe the process of osmosis. 3. How are active transport and passive transport different? 4. Describe the two major type of active transport. 5. How is endocytosis different from exocytosis? 6. What do the prefixes ​
iso­, hyper­, ​
and ​
hypo ­ ​
mean? Chap 7.4 1. What is homeostasis? 2. What do unicellular organism do to maintain homeostasis? 3. What is cellular specialization?