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 coffee123
  • Posts: 2
  • Joined: Nov 13, 2024
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#110577
Hi there,

I still do not understand why 'B' is correct, as the term "Uniquely" really bothers me.

Nowhere in the passage can I find a point where it states that Prions are the only pathogen capable of replicating itself without genetic material, but that it is an example of a pathogen that has this trait. For instance, this excludes the possibility that there may be another, yet-undiscovered pathogen that reproduces without genetic material.

Is the proper reading of this question to imply that because a prion has been defined as a pathogen, it is the only defined pathogen that can replicate itself without genetic material?

Thanks!
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 Amber Thomas
PowerScore Staff
  • PowerScore Staff
  • Posts: 38
  • Joined: Oct 03, 2024
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#110601
Hi Coffee123!

You're exactly right, the term "unique" here is in reference to pathogens. Lines 3-9 state: "The only agents believed until recently to be responsible for infections—viruses, bacteria, fungi, and parasites—reproduce and regulate their other life processes by means of genetic material,
composed of nucleic acid (DNA or RNA)."

All other known and defined pathogens replicate through the use of DNA and RNA (genetic material). Therefore, the method through which prions replicate themselves (i.e. without the use of genetic material) is unique amongst pathogens.

I hope this helps!
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 coffee123
  • Posts: 2
  • Joined: Nov 13, 2024
|
#110614
Thank you! That helps

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