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Which option is true in regards to a hydrogen bond between a water molecule and another biomolecule?



A. A hydrogen ion on the water molecule forms an ionic bond with a hydride ion on the other molecule
B. The partial charge on a hydrogen of the water interacts with the partial charge on a hydrogen of the other molecule
C. The hydrogen bond will typically form between a hydrogen atom and either a nitrogen, sulfur, or oxygen atom
D. A hydrogen on the water molecule forms a covalent bond to a hydrogen atom on the other molecule
E. The hydrogen atom is located between an oxygen atom of the water and a carbon atom of the other molecule

This question is part of equation Test 1
Asked by ISciA, Last updated: Mar 30, 2020

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2 Answers

K. Myers

K. Myers, Blogger, Chicago

Answered Jan 03, 2019

A hydrogen bond will typically form between a hydrogen atom and either a nitrogen, sulfur, or oxygen atom. The correct answer is C. By the way, a fluoride atom could also be used to create a hydrogen bond.

A hydrogen bond is actually really cool. It’s a weak kind of bond, but it gives the bond an electrostatic attraction between the two atoms. For this reason, it can conduct electricity. We find hydrogen bonds in things like water and DNA. Hydrogen bonds keep the base pairs of DNA together in the middle, helping create the natural shape of the DNA.

Isn’t that really cool? The hydrogen bond is incredibly important to life as we know it on earth, since it’s in both water and DNA.

 

iSciA

ISciA

Answered Sep 19, 2017

The hydrogen bond will typically form between a hydrogen atom and either a nitrogen, sulfur, or oxygen atom
 

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