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 16, Problem 7AA
Summary Introduction
To explain: The non-genetic factors that is behind the differences in form of humans and chimps, and identical twins.
Concept introduction: Genes are DNA sequences that code for proteins that are involved in basic cellular activities. Evolution of organisms begins from gene level. In evolutionary developmental biology, the role of genes in evolution as part of development is studies to understand adaptive radiation.
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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 16 Solutions
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