Chapter 6 Cytoplasmic matrix, Endomembrane system, Protein Sorting and membrane trafficking Learning objective 1. Compartmentalization in Eukaryotic Cells; 2. The structural and functional relationship among the ER, Golgi complexes, lysosomes and plasma membranes of eukaryotic cells; 3. The pathways of proteins targeting and sorting, and its mechanisms; 4. The ways of protein modifications and intracellular sites after they are synthesized; 5. Types of vesicle transport and their functions

Background information 1 Structure 2 Language points 3 After-class- activities

2002年6月全国大学英语四级考试真题和答案 Part I Listening Comprehension (20 minutes) Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked

2004年6月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked

2001年1月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices

Read the text and answer the following questions. (1) What did Mr. Fox do after he retired (2)How did Mr. Fox discover the antique Chinese bowl (3)Who visited Mr. Fox And for What purpose (4)Why did Mr. Fox take some photos of the bowl (5) Where was the bowl sent to at last

Part One Listening Comprehension Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said -Both the conversation and the question will be spoken only once. After each question there will be pause. During the pause, you must read the four choices marked A), B),)and D), and decide which is the best answer

Part I Listening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations At the end of each conversation, a question will be asked about what was said. both the conversation and the question will be spoken only once. After each question there will be a pause During the pause, you must read the four choices marked A), B), C)and D),and

Part I Listening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations.At the end of each conversation, a question will be asked about what was said.Both the conversation and the question will be spoken only once. After each questio n there will be a pause. During the pause

Part I Listening Comprehension (20 minutes) Directions: In this section, you will hear ten short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A),B),C)and D),and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center