Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 18, Problem 4Q
Summary Introduction
To review:
The additional technology required along with CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas9 genome editing technology to combat malaria.
Introduction:
Malaria is caused by the bite of female Anopheles mosquito. During blood sucking, mosquito injects numerous Plasmodium parasites into the bloodstream of the host. It has been reported that there is a recessive gene in some genetic strains of Anopheles. This strain when becomes homozygous, that is, both alleles are mutated, the condition becomes worse. However, this can be altered by gene editing with CRISPR-CAS9 genome editing technology.
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Chapter 18 Solutions
Life: The Science of Biology
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- The insecticide DDT has been widely used to control the mosquitoes that carry malaria. How would you explain the fact that many mosquito populations are now resistant to DDT?arrow_forwardThree methods have been used to try to eliminate malaria. One is to eliminate the mosquito vectors of the parasite, a second is to kill the parasites after they have entered the human body, and the third is to develop a vaccine against the parasite, allowing the human immune system to provide protection from the disease. Which do you suppose is the most promising in the long run? Why? Think about both the biology of the disease and the efficacy of carrying out each of the methods on a large scale .arrow_forwardMalaria Where did the disease originate? What impact did it have on the individuals living in the effected areas? How was the disease spread? How did individuals combat the disease? What reforms were initiated after the event? Your research must contain one location in the U.S. or Colonial America that experienced an outbreak.arrow_forward
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- If a person contracted MRSA and no antibiotics are working on them, how would you go about finding a way to treat their infection? Describe, in detail, how you would devise a plan to save their life utilizing your knowledge of bacteria and viruses.arrow_forwardWhy can’t drugs used to treat influenza, like neuraminidase inhibitors, be used to treat a wider variety of viral infections? Why can't antibiotics be used to treat influenza? Explain your answers.arrow_forwardExplain why there is no malaria above 6,000 feet in altitude.arrow_forward
- Why was it difficult to break the chain of infection during the Zika outbreak? A. It required killing all of the mosquitos in the region. B. It required killing all the birds in the region. C. Scientists couldn't figure out how the virus even started. D. Because scientists hadn't yet realized it was impossible to break the chain of infection.arrow_forwardWhy is it difficult to develop a universal flu vaccine?arrow_forwardwhat can you say about the condition of our animals during the pandemic?arrow_forward
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