I think the correct answer from the choices listed above is option A. The structural level of a protein least affected by a disruption in hydrogen bonding is the primary level. The other levels are very much affected by hydrogen bonding. Hope this answers the question.
2) mg donates two protons to O.
Answer:
i am not sure but its 2 ican"t qry
Explanation:
The 2nd one I believe
Answer- 2nd
Answer:
Has size and magnitude whereas a scalar quantity has only size
