3: Chemical Interactions in Biology

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Last updated 2:31 AM on 9/20/26
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7 Terms

1
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What are chemical bonds?

Interactions between atoms keeping them close together

2
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What are covalent bonds?

Two atoms sharing valence electrons

3
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Rank chemical interactions by their relative strength. (strong → weak)

Ionic/covalent bonds, ionic interactions, ion-dipole bonds, hydrogen bonds, dipole-dipole bonds, London dispersion forces

4
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How does electronegativity influence the type of chemical interactions a molecule can have?

An atom can attract electrons towards itself

5
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How does polarity influence the type of chemical interactions a molecule can have?

Covalently and unequally shares bonds making atoms have a partial charge

6
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How do dipoles influence the type of chemical interactions a molecule can have?

Bond atoms based on their positive and negative charges

7
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How does a salt bridge blow for both hydrogen bonding and an ionic interaction?

Hydrogen bonding between donors and acceptors enable ionic interactions to form between formal charges, making a salt bridge providing structure for proteins.