Biochemistry

Question 1

catabolic reaction pathways (exergonic) create what? Anabolic (endergonic) pathways create what?

Answer 1

ATP, NADPH

ADP, NADP+

Question 2

The ∆G° is the (blank) of this reaction ∆G = ∆G° + RT·ln([Y]/[X])

Answer 2

rate constant

Question 3

What is RT numerically?

Answer 3

1.364

Question 4

what is the free energy equation when non-equilibrium concentrations are known?

Answer 4

∆G = ∆G° + RT·ln([Y]/[X])

Question 5

What is the free energy equation when at equilibrium?

Answer 5

∆G° = -RT·lnKeq

Question 6

What is the free energy equation when heat/cold or disorder are known?

Answer 6

∆G = ∆H – T∆S

Question 7

What are the units of RT if it is 1364

Answer 7

cal/mol

Question 8

What are the units of RT if it is 1.364

Answer 8

kcal/mol

Question 9

∆G < 0: ?
∆G > 0: ?
∆H < 0: ?
∆H > 0: ?

Answer 9

1. exergonic
2. endergonic
3. exothermic
4. endothermic

Question 10

If ∆H > 0, reaction is spontaneous (∆G < 0) only if ∆S is what?

Answer 10

∆S > 0

Question 11

What effects your ∆G°?

Answer 11

nothing

Question 12

Will decreasing the delta G

make the reaction proceed faster, lower the activation energy barrier or catalyze a reaction?

Answer 12

NO

Question 13

What is the ∆G° of ATP hydrolysis?

Answer 13

-7 kcal/mol

Question 14

What does glucose-6 phosphate make?

Answer 14

pyruvate

Question 15

What makes pyruvate?

Answer 15

glucose-6 phosphate, lactic acid, alanine, oxaloacetate

Question 16

What makes acetyl coa?

Answer 16

fatty acids, pyruvate, amino acids

Question 17

How does creatine help out ATP?

Answer 17

coupled to produce ATP

Question 18

How does glucose interact with ATP?

Answer 18

couples, makes ADP

Question 19

What are four high energy compounds?

Answer 19

esters (Amide), thiol-esters (acetyl-coA), anhydrides (ATP), guanidium phosphata(CP), enoyl phosphate (PEP)

Question 20

What electron carriers have a delta g knot of -15kcal/mol?

Answer 20

NADH, FADH2

Question 21

The complex involved in electron transport chain are contained in (blank)

Answer 21

inner membrane

Question 22

ATP synthase is contained in the (blank)

Answer 22

inner membrane

Question 23

where is he pyruvate dehydrogenase complex,

Answer 23

matrix

Question 24

What is the point of ETC?

Answer 24

to transfer NADH energy to molecules of ATP.

Question 25

in the ETC, protons get pumped out of matrix into what?

Answer 25

intermembrane space

Question 26

When is the reduction potential (E) positive?

Answer 26

for a redox pair with a tendency to acquire electrons

Question 27

When is the reduction potential (E) negative?

Answer 27

for a redox pair with a tendency to donate electrons

Question 28

What is the reduction potiential equation?

Answer 28

∆G° = -nF∆E°

Question 29

WHat are the two types of flavoproteins?

Answer 29

FADH2 and FMNH2

Question 30

flavoproteins can accept (blank) electrons

Answer 30

1 or 2