lecture 14 part 2 Flashcards

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1
Q

xwhat is the first part of aerobic respiration

A

glycolysis

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2
Q

what type of pathway is glycolysis

A

sugar splitting pathway

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3
Q

where does glycolysis occur

A

cytosol

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4
Q

how many biochemical reactions occur in glycolysis

A

10

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5
Q

does glycolysis require O2

A

no (aeorbic process)

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6
Q

what does glycolysis require

A

ATP

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7
Q

what does glycolysis produce

A

4 ATP and 2 NADH

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8
Q

in the glycolysis energy investment phase _ carbon moleqs go to _ carbon olecules

A

6 -> 3

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9
Q

how many ATP are hydrolyzed per glucose during energy investment phase

A

2
-phosphate groups are trasnferred to sugar molecules

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10
Q

phosphate groups inc/dec the free enrgy of the sugar molecule during enegry investment phase

A

increase

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11
Q

during steps 1 & 3 (key regulatory steps) what do cellular conditions do during energy investment phase

A

speed up or slow down enzymatic rates at these steps (save glucose rarher than use it when the cell has plenty of ATP)

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12
Q

what happens during the energy payoff phase of glycolysis

A

each 3 carbon sugars generate 1 NADH and 2 ATP
and get two 3 carbon pyruvate moleq per glucose moleq

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13
Q

what is recovered during energy payoff phase

A

2 ATP from earlier energy investment phase

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14
Q

what does NADH carry

A

high energy electron, the electron will be donated to the ETC

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15
Q

substrate level phosphorylation

A

transfer of a phosphate group from an organic moleq (substrate to ADP to make ATP)

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