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RELEVANT LEARNING OUTCOME:
(b) Describe how the genomes of viruses are inherited through outlining the reproductive cycles of
ii. enveloped viruses, e.g. influenza
🕐Estimated time for this section: 25 minutes
Influenza Virus
Influenza Virus
🤔Did you know?💡
Have you wondered how H1N1 (swine flu) and H5N1 (avian flu) are named?
👁️🗨️ Watch the video, 0:00- 1:08 to learn about it.
Think about these questions:
What defines the different strains of virus?
How do these virus evade our human immune system?
Influenza Reproductive Cycle
Influenza Reproductive Cycle
👁️🗨️ Watch the video, 0:00- 4:55 to learn about the reproductive cycle of influenza.
Think about these questions:
How is the virus taken into the host cell?
How does the viral genome gets replicated?
Why is there an envelope around the virus?
🖊️Check Your Understanding: Lecture notes Concept Check 2
🖊️Check Your Understanding: Lecture notes Concept Check 2
1. How does influenza negative (-) sense RNA directs the replication of viral genome and synthesis of viral proteins? [ 3marks]
The negative (-) sense viral genome functions as a template for the synthesis of complementary positive (+) sense RNA by viral RNA dependent RNA polymerase.
Then, the positive (+) sense RNA is used as template for the synthesis of new viral genome (-) sense.
The positive (+) sense RNA is also used as mRNA/template for translation for the synthesis of new viral proteins.
🖊️Check Your Understanding: Learning Goals
🖊️Check Your Understanding: Learning Goals
Attempt Qn 1 to 4 of Animal Virus Learning Goals
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