6. Explain why a positive test for COVID19 would appear sooner than a negative result when using real- time PCR to test if someone is infected.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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6. Explain why a positive test for COVID19 would appear sooner than a negative result when using real-
time PCR to test if someone is infected.
7. Explain why the same primers (GMM) could detect several types of genetic modifications to common
crop plants, rather than one specific gene or genetic modification.
8. Explain the general procedure for using the NanoDrop machine in analyzing DNA samples. Be sure to
explain the purposes of the blanks (pure water), and of the importance of the 260/280 ratio. Identify
an ideal 260/280 ratio of purified DNA.
Transcribed Image Text:6. Explain why a positive test for COVID19 would appear sooner than a negative result when using real- time PCR to test if someone is infected. 7. Explain why the same primers (GMM) could detect several types of genetic modifications to common crop plants, rather than one specific gene or genetic modification. 8. Explain the general procedure for using the NanoDrop machine in analyzing DNA samples. Be sure to explain the purposes of the blanks (pure water), and of the importance of the 260/280 ratio. Identify an ideal 260/280 ratio of purified DNA.
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