Discover Biology (Sixth Core Edition)
6th Edition
ISBN: 9780393936735
Author: Anu Singh-Cundy, Gary Shin
Publisher: W. W. Norton & Company
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Chapter 13, Problem 4SQ
Summary Introduction
Introduction: Neuron cells are brain cells. It develops from brain stem cells. Brain stem cells have capacity to produce limited number cells such as neuron cell, oligodendrocytes and astrocytes. But they do not have ability to give rise other cells such as red blood cells or kidney cells.
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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)
Chapter 13 Solutions
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