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Biol 3310 > C3 Energy, Biosynthesis > Flashcards

C3 Energy, Biosynthesis Flashcards

1
Q

Two steps of photosynthesis

A
  1. light energy stored as ATP and NADPH, oxygen released.

2. ATP and NADPH used to make sugars.

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2
Q

respiration

A

use oxygen to oxidize organic molecules to produce energy

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3
Q

dehydrogenation reactions (reduce/oxidize) carbon

A

oxidize

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4
Q

(oxidation/reduction) of carbon is energetically favorable in cells

A

oxidation

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5
Q

Lowers the activation energy of a specific reation

A

Enzyme

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6
Q

Enzymes (do/do not) influence the equilibrium point of the reaction

A

do not

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7
Q

gibbs free energy equation

A

dG=dH-TdS

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8
Q

An exergonic dG is (favorable/unfavorable)

A

favorable

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9
Q

An endergonic dG is (favorable/unfavorable)

A

unfavorable

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10
Q

exergonic. dG (>/<) 0

A

exergonic. dG < 0

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11
Q

Equilibrium is achieved when the free energy is..

A

equal to zero

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12
Q

How would one move equilibrium toward the product

A

couple to even more favorable reaction

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13
Q

ATP contain two high-energy ? bonds

A

phosphoanhydride

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14
Q

This electron carrier is used in catabolic reactions

A

NAD+/NADH

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15
Q

This electron carrier is used in anabolic reactions

A

NADP+/NADPH

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16
Q

NAD+/NADH is used to drive ? reactions

A

oxidation

17
Q

NADP+/NADPH is used to drive ? reactions

A

reduction

18
Q

The synthesis of polysaccharides, proteins, and nucleic acids are all made possible by the hydrolysis of ?

A

Nucleotide triphosphates

19
Q

Cells are in ?, they are not in equilibrium

A

steady state

20
Q

sum total of all reactions the cell needs to carry out to survive, grow and reproduce

A

metabolism

21
Q

How does a cell follow the second law of thermodynamics

A

Although parts inside the cell have negative entropy and are more organized, the cell releases heat which increases the entropy of the environment.

22
Q

dG depends not only in energy stored in individual molecules, but also ?

A

in concentration of reactant and product

23
Q

dG=

A

dG* + RT ln K

Biol 3310 (20 decks)

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