Deck 1 Flashcards

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1
Q

In the equation, G=H-TS, what does each letter stand for?

A
G= Gibbs Free Energy
H= Enthalpy
T= Temperature
S= Entropy
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2
Q

Delta G increases with ____ and decreases with ___

A

temperature, increase in entropy

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3
Q

+ Delta G denotes?

A

non spontaneous

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4
Q
  • Delta G denotes?
A

spontaneous

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5
Q

Describe endergonic, exergonic, exothermic, endothermic

A

Exergonic- Releases energy
Endergonic- Absorbs energy
Exothermic- Releases heat
Endothermic- Absorbs heat

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6
Q

Hydrolase

A

Breaks down chemical bonds

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7
Q

Ligase

A

Builds chemical bonds

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8
Q

Isomerase

A

Creates isomers

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9
Q

Lyase

A

Breaks down chemical bonds in other ways besides oxidation and hydrolysis

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10
Q

Kinase

A

Transfers phosphate group to a molecule from a high energy source

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11
Q

Oxireductase

A

Drive oxidation/reduction reactions

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12
Q

Polymerase

A

Forms polymerization

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13
Q

Phosphatase

A

Removes phosphate group

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14
Q

Phosphorylase

A

Transfer phosphate group to.a molecule to an inorganic source

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15
Q

Protease

A

Breaks down peptide bonds

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16
Q

Density equation and units

A

Mass/Volume , 1g/cm3

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17
Q

Empirical formula for C2H602

A

CH30

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18
Q

Unstable nuclei are called___, which undergo transformation to alter ____ and ____, by _____

A

radioactive, neutrons and protons, radioactive decay

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19
Q

Types of radioactive decay

A

B+ and B-, Alpha, Electro

20
Q

Energy of photon equation

A

E=HF= H(C/Y)

21
Q

Planck’s constant

A

6.63 X 10 ^-34

22
Q

Equation for energy level of an electron

A

(2.178 x 10^-18)/n^2

23
Q

Calorimetry equation for heat

A

q=mcT

24
Q

Phase change reaction

A

q=nxH

25
Q

Change in entropy equation

A

S=Sproducts - Sreactants

26
Q

Which phase change releases heat energy?

Melting, Fusion, Condensation, Sublimation

A

Condensation

27
Q

Ideal Gas Law

A

PV=nRT

28
Q

Boyle’s Law

A

PV=PV

29
Q

Charle’s Law

A

V/T=V/T

30
Q

Gay-Lussac’s Law

A

P/T=P/T

31
Q

Combined Gas Law

A

PV/T

32
Q

The two assumption of the kinetic molecular theory

A

no intermolecular forces and volume of individual particles is negligible compared to the volume of the gas container

33
Q

Graham’s Law of Effusion

A

rate of effusion Gas A/B = Square root of molar mass of B/A

34
Q

Purpose of a catalyst

A

Speed up reaction by speeding up rate determining step or providing an optimized route to products

35
Q

Keq>1
Keq<1
Keq=1

A

favors reactants
favors products
about the same amount of reactants and products

36
Q

If Q

A

reaction proceeds in the forward direction

37
Q

If Q>Keq

A

reaction proceeds in the reverse direction

38
Q

Regulation of enzyme activity

A

Covalent modification
Proteolytic clevage
Association with other polypeptides
Allosteric Regulation

39
Q

Conduction

A

transfer of thermal energy

40
Q

Convection

A

when heat transfer away from source

41
Q

Radiation

A

absorption of energy

42
Q

First law of thermodynamics

A

E=Q-W

43
Q

Work equation

A

W=PV

44
Q

Isobaric

A

Process that occurs at constant pressure

45
Q

Isochoric

A

Constant pressure

46
Q

Isothermal

A

Constant temperature

47
Q

Adiabatic

A

no heat is transferred between system and environment