Lecture Set 3 Flashcards

1
Q

What are the different types of bonds

A

Covalent = sharing of electrions
Polar= unequal sharing of electrons
Non-polar= equal sharing
Noncovalent
Ionic = electrostatic interactions
Hydrogen = electronegative atom and hydrogen covalently bound to a second EN atom
van der Waal’s = random transient dipoles, momentary random fluctuations in electron density
hydrophobic = aggregation to reduce ordering
NOT attraction between molecules,

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2
Q

Why is it good that visible wavelength has a longer wavelength than C-C bonds?

A

Means lower energy than C-C, therefore the C-C bonds aren’t broken when visible light hits

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3
Q

Difference between covalent/non-covalent?

A

Sharing of electrons

amount of energy to break bonds, stability

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4
Q

Hydrogen bonding in water

A
surface tension
high specific heat capacity
high vaporization energy/boiling point
good polar solvent
every H2O molecule with 4 H-bonds = crystal lattice (ice)
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5
Q

2 types of chaperones

A

Molecular chaperones = bind to unfolded/partially folded areas, prevent it from aggregating with other nonpolar sections of proteins
Chaperonins = directly involved with folding

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6
Q

Define affinity

A

measurement of number/strength of all noncovalent interactions between 2 molecules

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