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Lecture 9 Questions

Lecture 9 Questions - QUESTIONS 1 How many micrometers(m...

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QUESTIONS 1. How many micrometers (µm), centimeters (cm), nanometers (nm) and millimeters (mm) are there in a meter (m)? Convert 200 µm into centimeters, millimeters and nanometers. What are the ranges in size for plant cells, animal cells, and most bacteria? What are the approximate sizes of a nucleus, a mitochondrion, and a chloroplast? 2. How do light and electron microscopes differ in the way that they work and how well they resolve images? 3. What is the advantage of an organism being made of many small cells as opposed to one very large cell? 4. Describe the membrane system surrounding a nucleus. What is a nuclear pore, a nucleoli and the nuclear lamina? What is the principle function of a nucleus? 5. What is the principle function of a ribosome? How is a ribosome constructed? How does the size of a ribosome compare to that of a mitochondrion or a chloroplast? 6. Describe the general structure of a mitochondrion. Locate the inner and outer membranes, the mitochondrial matrix and what are cristae? What is the function of a mitochondrion? 7. Describe the general structure of a chloroplast. Locate the inner and outer membranes as well as the intermembrane space. Describe the structure and location of the thylakoid membranes relative to the other membranes. Where is the chloroplast stroma? What is the function of a
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Lecture 9 Questions - QUESTIONS 1 How many micrometers(m...

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