The way by which cancer cells evade the immune system. Introduction: Cancer is characterized by abnormal and uncontrolled development of altered cells. They have the tendency to infiltrate and damage normal body cells and tissues. Cancer is caused due to abnormal cell cycle control system. It undergoes several genetic and epigenetic alterations that cause uncontrolled proliferation of cells.

Question

Transcription and Translation 1. What is the main function of transcription and translation? (2 marks) 2. How is transcription different in eukaryotic and prokaryotic cells? (2 marks) 3. Explain the difference between pre-mRNA and post-transcript mRNA. (2 marks) 4. What is the function of the following: (4 marks) i. the cap ii. spliceosome iii. Poly A tail iv. termination sequence 5. What are advantages to the wobble feature of the genetic code? (2 marks) 6. Explain the difference between the: (3 marks) i. A site & P site ii. codon & anticodon iii. gene expression and gene regulation 7. Explain how the stop codon allows for termination. (1 mark) 8. In your own words, summarize the process of translation. (2 marks)

Answer 1

Question

Chapter 45.6, Problem 1C

Summary Introduction

To determine: The way by which cancer cells evade the immune system.

Introduction: Cancer is characterized by abnormal and uncontrolled development of altered cells. They have the tendency to infiltrate and damage normal body cells and tissues. Cancer is caused due to abnormal cell cycle control system. It undergoes several genetic and epigenetic alterations that cause uncontrolled proliferation of cells.

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