S 2010 Exam 1 study guide

S 2010 Exam 1 study guide - BIO225 Exam 1 Study Guide 1...

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BIO225 Exam 1 Study Guide 1 BIO225 Exam 1: Study Guide 1. Chapter 3: Plant Cells 1.1 Who first coined the term “cell”? 1.2 What was so unusual about the microscopes created and used by van Leeuwenhoek? 1.3 Be able to recognize examples of prokaryotic and eukaryotic organisms 1.4 What organisms have cell walls? What is the main component of cell walls in plants? 1.5 Why are cell walls particularly important to plants? 1.6 What is the problem with having cell walls and how do plants circumvent this issue? 1.7 What is the function of the nucleus? What important cell functions occur here? 1.8 Chloroplasts vs. leucoplasts vs. chromoplasts understand the functions of all three and their relationships with chlorophyll 1.9 What is the function of the mitochondria? 1.10 How are plastids and mitochondria unique amongst the organelles of cells? 1.11 What is the function of ribosomes? In which organelle (s) are they found? 1.12 Be able to explain at least one function of the endoplasmic reticulum 1.13 What sorts of substances might you find in vacuoles? What is the function of vacuoles? Why are they so important? 1.14 Know the 2 functions of the cytoskeleton. Of what is it made? 1.15 Be able to list at least 3 differences between plant and animal cells. 1.16 Why are membranes so important to the cell in general and mitochondria and chloroplasts in particular? 1.17 Know the differences between diffusion, osmosis, and active transport 1.18 What is turgor pressure and why is it so important to the survival of plants? 2. Chapter 4: Metabolism: Photosynthesis and Respiration 2.1 Photosynthesis is an anabolic process, respiration is a catabolic process 2.2 Oxidation versus reduction 2.3 Remember, there are no free electrons in living cells 2.4 What happens as electrons are passed through an electron transport chain? 2.5 Why is photosynthesis the cornerstone of life on this planet? 2.6 Be able to recognize the common names of photosynthetic versus nonphotosynthetic organisms. Know the 3 major taxonomic groups that contain these organisms 2.7 If you were an autotrophic organism, which wavelengths of light would you aim to harness and why? 2.8 In what portion of the leaf does photosynthesis take place in C 3 plants? How about C 4 plants? 2.9 Why is the porphyrin ring structure of chlorophyll so important to photosynthesis? 2.10 What is the difference between chlorophyll a and b ? Which do you think evolved first and why? How about carotenoids? 2.11 Besides harnessing other wavelengths of light, be able to give 2 other functions of carotenoids 2.12 Be able to explain Englemann’s experiment with Spirogyra and aerobic bacteria. What did it show? 2.13 Know the basic chemical equation for photosynthesis
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This note was uploaded on 03/01/2010 for the course BIO 225 taught by Professor Nolfo during the Spring '10 term at Suffolk.

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S 2010 Exam 1 study guide - BIO225 Exam 1 Study Guide 1...

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