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Nicole_5521
#1 Posted : Saturday, July 03, 2021 2:03:53 AM
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Hello,

I have some questions about the Altius FL3 Bio/Biochem section.

Q12: I'm wondering what's the difference between a reactive oxygen species and an odd electron species?

Also, could you explain an example using NO2? I know the structure has a single electron due to having a total of 17 valence electrons so it is an odd electron species. But, I thought it was also a ROS due to the single electron.

Q50: I was confused because I thought the amino acid code R was for arginine, and the code N was for asparagine. Just wanted to confirm which one is correct.

Thanks!
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INSTR_Molly_129
#2 Posted : Saturday, July 03, 2021 8:30:35 PM
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Hi Nicole,

A Reactive oxygen species is an odd electron molecule in which the odd electron atom is the oxygen. With NO2, the nitrogen is the lone electron atom. NO2 is actually a reactive nitrogen species.

To confirm R is indeed arginine and N is asparagine.

Hope this helps, happy studying!

Cheers,

Molly
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