MICROBIOLOGY: EVOLV.SCI.-W/ACCESS>CI<
4th Edition
ISBN: 9780393622805
Author: SLONCZEWSKI
Publisher: Norton custom
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Chapter 6.4, Problem 2TQ
Summary Introduction
To review :
Evolution of resistance against the CRISPR(clustered regularly interspaced short palindromic repeats) host defense in the phage.
Introduction:
CRISPR is an immune system possessed by the bacteria. This is an adaptive defense system against viruses. It is analogous to the adaptive immunity present in humans. It involves short DNA (deoxyribonucleic acid) sequence which is homologous to the DNA of phages that could infect the cell. These sequences are termed as CRISPR.
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Which of the following is NOT an example of passive immunization?
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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)
In this activity you will research performance enhancers that affect the
endocrine system or nervous system. You will submit a 1 page paper on one
performance enhancer of your choice. Be sure to include:
the specific reason for use
the alleged results on improving performance
how it works
how it affect homeostasis and improves performance
any side-effects of this substance
Chapter 6 Solutions
MICROBIOLOGY: EVOLV.SCI.-W/ACCESS>CI<
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