Respiration (Quiz 2)

Question 1

respiration =

Answer 1

conversion of “food” (carbon based) to energy currency

Question 2

aerobic respiration consists of

Answer 2

4 (actually more) basic steps

Question 3

4 steps of aerobic respiration:

& where they occur

Answer 3

1. ) glycolysis (cytoplasm)
2. ) formation of acetyl CoA (matrix of mitochondria)
3. ) Krebs/Citric Acid Cycle (matrix of mitochondria)
4. ) ETC (inner membrane of mitochondria)

Question 4

because glycolysis occurs in the cytoplasm

Answer 4

it is an ancient process

Question 5

glycolysis is not

Answer 5

a cycle

Question 6

1st 1/2 of glycolysis =

Answer 6

glucose (6c) + 2 atp –> 2 G3P (3c molecules)

Question 7

“G3P” aka

Answer 7

“glyceraldehyde 3 phosphate”

Question 8

2nd 1/2 of glycolysis =

Answer 8

2 G3P –> 2 Pyruvate + 4 atp + 2 NADH

Question 9

G3P is a product of

Answer 9

the Calvin cycle

Question 10

glycolysis atp production

Answer 10

produces 4
uses 2
therefore, 2 net atp produce

Question 11

glycolysis intermediates

Answer 11

3 phosphoglycerate
1, 3-biphosphoglycerate
glyceraldehyde 3-phosphate

Question 12

G3P (from Calvin cycle) is used to make

Answer 12

glucose, sucrose, etc

Question 13

at the end of glycolysis

Answer 13

pyruvate is transported to mitochondria

Question 14

1st stage of aerobic part of respiration

Answer 14

formation of acetyl CoA

Question 15

formation of acetyl CoA occurs

Answer 15

in the mitochondrial matrix

Question 16

formation of acetyl CoA uses

Answer 16

pyruvate (form of pyretic acid)

Question 17

formation of acetyl CoA produces

Answer 17

1 NADH

acetyl CoA

Question 18

formation of acetyl CoA loses

Answer 18

1 CO2

Question 19

Krebs/Citric acid cycle occurs in

Answer 19

mitochondrial matrix

Question 20

Krebs/Citric acid cycle releases

Answer 20

2 CO2 (the 2 added carbons to the cycle are lost in order to keep the cycle going)

Question 21

Krebs/Citric acid cycle =

Answer 21

1 Acetyl CoA + Oxaloacetate (OAA) –> Citrate + 3 NADH + 1 FADH2 + 1 atp

Question 22

NADH & FADH2 are

Answer 22

electron donors to ETC

Question 23

the ETC is responsible for

Answer 23

chemiosmosis

Question 24

most ATP is made during

Answer 24

ETC

Question 25

ETC function:

Answer 25

ATP production via chemiosmosis

Question 26

ETC reactions are

Answer 26

oxidation-reduction rxns (redox rxns)

Question 27

ETC occurs in

Answer 27

inner membrane of mitochondria

Question 28

ETC redox rxns lose

Answer 28

energy –> used to transport (H+) protons across transmembrane protein complexes against diffusion gradient

Question 29

complexes in ETC

Answer 29

Complex 1-4 & ATP Synthase

Question 30

@ complex 4 of the ETC…

& makes…

Answer 30

Oxygen is reduced and reacts w/ (H+) protons

& makes H20