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Chemistry > First Diagnostic Exam > Flashcards

First Diagnostic Exam Flashcards

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1
Q

Transcription Factor

A

They bind to DNA

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2
Q

Clathrin

A

Protein that makes the coated vesicles

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3
Q

Diffusion

A

Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration

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4
Q

Kinase

A

Adds Phosphate

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5
Q

Phosphorylase

A

Removes Phosphate

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6
Q

What is most correct about genes?

A

They do not bind

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7
Q

Promotor

A

Section of DNA tell you to start transciptions

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8
Q

Proteolytic cleavage

A

Breaking down the peptide bond between two amino acids

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9
Q

Chaperones

A

Helps to reform the proteins

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10
Q

Chaperones v.s

A

Prions

Misfold the protein

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11
Q

Electrons in d subshell

A

are not counting as the valence electrons

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12
Q

formal charge formula

A 
FC= v-1/2B- L
V= # of valence electrons
B= # of bounds
L= # one pairs
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13
Q

Resonance

A

Ony non-bonding electrons and double, triple can move around

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14
Q

BDE

A

bond dissociation energy: energy required to break the bond homolytically

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15
Q

Homolytic bond cleavage

A

one electron of the bond being broken goes to each fragment

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16
Q

radicals

A

anything that has an unpaired valence electron

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17
Q

Heterlytic bond cleavage

A

forming cation and anion since both electrons end up on the same atom

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18
Q

Homolytic

A

F.

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19
Q

Heterolytic

A

F+ or F-

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20
Q

Higher bond order

A

shorter and the stronger the bond is

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21
Q

Longer the bound

A

is weaker

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22
Q

Shorter the bond

A

is stronger

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23
Q

polar molecule

A

Has the dipole-dipole interactions

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24
Q

Non-polar examples

A

F2
O2
C2
N2

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25
Q

Coordinate covalent bond

A

when atom donates both electrons

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26
Q

Lewis acid

A

electrophile
accepts e
electron loving

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27
Q

Lewis base

A

Nucleophile

Donates e

28
Q

Non-bonding

A

nonbonding electron is an electron in an atom that does not participate in bonding with other atoms.

29
Q

The # OF SIGMA and phi bonds
a single bond
a double bond
a triple bond

A

Composed of 1 sigma bond
Composed of 1 sigma and 1 pi bond
composed of 1 sigma and 2 pi bond

30
Q

Dipole-dipole interaction

A

the interaction between the positive and polar end of a molecule and negative end of the molecule

31
Q

Van der Waals forces

A

dipole forces, hydrogen bonding, and London forces are known as van der Waals forces.

32
Q

One consequence of hydrogen bonding is

A

High bp point

33
Q

volatile

A

Easily vaporized gases are called volatile

34
Q

Vapor pressure related

A

Indirectly to the boiling point

35
Q

Compounds

A

are solid at the room temp

36
Q

Metals

A

are solid at the room temp

37
Q

sigma bond

A

end to end overlap

38
Q

Pi bond

A

side to side overlap

39
Q

nonpolar

A

molecules are symmetrical

40
Q

Polar

A

symmetrical

41
Q

London dispersion

A

The predominately intermolecular force that hold them together.

42
Q

thermodynamic

A

Transfer of heat from one object to another object

43
Q

Thermodynamic like ice cube examples

A

Melting ice cube
Solid dissolves in water
beating heart

44
Q

Enthalpy

A

is a measure of the heat energy that is released or absorbed when bonds are broken and formed during the reaction that runs at the constant pressure

45
Q

Bond that formed

A

Energy released

h<0

46
Q

Bond Broke

A

Energy put

h>0

47
Q

Exothermic

A

Energy is released

48
Q

Endothermic

A

Energy is absorbed

49
Q

Exothermic graph

A

Product is located at the lower state than the reactant

50
Q

Endothermic graph

A

Product is located at a higher state than reactants

51
Q

STP

A

0 C and 25 C

52
Q

The heat of formation of diatomic molecules are

A

zero such as c2, o2, and H2

53
Q

The heat of the formation is zero

A

at their natural state

54
Q

Hesses law

A

If an rxn occurs in several steps then the sums of the energies absorbed or given off in all the steps be the same as that for the overall rxn.

55
Q

break a bond

A

Energy is needed

56
Q

Making a bond

A

Energy is released

57
Q

Condensation

A

gas to solid

58
Q

Order

A

is more negative

59
Q

Spontaneous

A

G<0

60
Q

non-spontous

A

G>0

61
Q

Equilibrium

A

G=0

62
Q

G of the reverse reaction is

A

positive and spontouse

63
Q

Entropy depends on

A

Temperature

64
Q

If both entropy and enthalpy are positive then

A

then G at high temp is spon &

G is positive at a low temp and is non-spon

65
Q

If both entropy and enthalpy are negative

A

Then G is positive at high temp non-spontaneous &

G is negative at sufficiently low T spon

Chemistry (4 decks)

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