311C_Spr11_Study guide_exam 3

311C_Spr11_Study guide_exam 3 - Study guide for Exam 3...

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Study guide for Exam 3 (chapters 6, 7, 11, 16 (part), 18) Note: Remember to refer to Important concepts slide for each chapter. Refer to powerpoints and your notes for reference to reading in the text. Chapter 6: 1) Draw each of the following and label the different parts: Nucleus, Golgi apparatus, ER, Mitochondria, Chloroplasts. Note: Make sure you know what the different compartments are called and how many membranes are present in each of the above. 2) What are the possible destinations of proteins synthesized on free ribosomes? 3) What are the different components of the endomembrane system? 4) What is the role of ER signal peptide/sequence? 5) Explain the signal hypothesis. 6) What is the name of the enzyme that cleaves (cuts out) the signal peptide? 7) Know the roles of ER and golgi in protein sorting. 8) What are some of the functions of smooth ER? 9) What are some of the functions of rough ER? 10) What type of protein modifications occur in the ER and Golgi? 11) What is a glycoprotein? The process of adding carbohydrates to proteins is called – what? 1
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12) What are the possible destinations of proteins exported from golgi? 13) What is the function of lysosomes? Is the pH in the lysosomes acidic/basic/neutral? How does this help with the functioning of the lysosomes? 14) Explain: Phagocytosis and Autophagy 15) What are the three types of vacuoles found in cells? What are their functions? 16) What is tonoplast? Is this found in plants or animals?
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311C_Spr11_Study guide_exam 3 - Study guide for Exam 3...

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