When a chance mutation modifies a virus to attach to a new host species, it is called

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Answer 1

Answer:

gain-of-function

Explanation:

Gain-of-function mutations represent a type of genetic change that may confer a new function to the gene that undergoes the mutation. In this case, a gain-of-function mutation conferred to the virus an adaptive advantage by allowing it to encode a new protein which is capable of attaching to the cell membrane of a new host. In this regard, it is important to note that loss-of-function mutations are quite common in nature, while gain-of-function mutations are relatively rare.


Related Questions

Name a natural polymer

Answers

Answer:

Example for a natural polymer can be "silk"

Answer:

Natural polymers are

Explanation:

silk , wool , cotton which is a cellulose , teflon , polypropylene

(Score for Question 3: ___ of 2 points) 3. Sketch some of your observations from the lab. Answer: (Score for Question 4: ___ of 2 points) 4. Compare your observations of micrographs obtained from the optical microscope, the scanning electron microscope, and the transmission electron microscope. Answer: (Score for Question 5: ___ of 2 points) 5. Which type of microscope would be the best tool to use to view the surface of a bacterial cell? Why? Answer: Type your answer here.

Answers

Answer:

question 4

optical microscope uses visible light and a lense to generate magnify

scanning electron microscope produces image of a sample by scanning with a focused beam of electrons

whule transmission electron microscope in which uses beam of electron is transmitted through a specimen to form an image

Explanation:

the microscope best for the view of bacteria is COMPOUND microscope cause its mostly used by botanist abd plants

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