cellular respiration

Question 1

where does glycolysis occur

Answer 1

cytoplasm

Question 2

does glycolysis require oxygen

Answer 2

no

Question 3

how many atp is used during glycolysis

Answer 3

2

Question 4

product of glycolysis

Answer 4

2 pyruvate, 2 nadh, 2 atp, 2 water

Question 5

krebs cycle is also known as

Answer 5

citric acid cycle/tricarboxylic acid cycle

Question 6

what needs to be done before krebs cycle

Answer 6

convert pyruvate to acetrl Coenzyme A through pyruvate oxidation

Question 7

product of pyruvate oxidation

Answer 7

2 nadh, 2 co2, 2 acetyl CoA

Question 8

to what does acetyl CoA bind to at the start of krebs cycle

Answer 8

oxaloacetate

Question 9

where does krebs cycle occur

Answer 9

mitochondrial matrix

Question 10

products of krebs cycle

Answer 10

2 ATP, 6 NADH, 2 FADH2, 4 co2

Question 11

use of energy in a H+ gradient to drive cellular work

Answer 11

chemiosmosis

Question 12

where does oxidative phosphorylation occur

Answer 12

cristae of mitochondria

Question 13

product of chemiosmosis

Answer 13

26 - 28 atp, 6 water

Question 14

final electron acceptor of etc

Answer 14

oxygen

Question 15

oxidation vs reduction

Answer 15

oxidation: loses e-,
reduction: gains e-

Question 16

what is oxidized and reduced in cellular respiration

Answer 16

oxidized: glucose to carbon dioxide
reduced: oxygen to water

Question 17

anabolic vs catabolic pathway

Answer 17

catabolic: release energy by breaking complex molecules into simpler compounds
anabolic: consume energy to build complex molecules from simpler molecules

Question 18

cellular respiration is an example of __ pathway

Answer 18

catabolic

Question 19

general equation of cellular respiration

Answer 19

C6H12O6 + 6O2 -> 6CO2 + 6H2O + Energy

Question 20

uses ETC with final electron acceptor other than oxygen ex: sulfate

Answer 20

anaerobic respiration

Question 21

uses substrate-level phosphorylation instead of etc to produce atp, only involves glycolysis

Answer 21

fermentation

Question 22

obligate vs facultative anaerobes

Answer 22

obligate: cannot survive in presence of oxygen
facultative: can do aerobic or anaerobic

Question 23

alcohol fermentation

Answer 23

pyruvate -> ethanol through release of co2

Question 24

example of alcohol fermentation

Answer 24

uses yeast and used for brewing, winemaking, baking

Question 25

lactic acid fermentation

Answer 25

pyruvate reduced to nadh, end product: lactate

Question 26

is there co2 released in lactic acid fermentation

Answer 26

no

Question 27

example of lactic acid fermentation

Answer 27

fungi/bacteria are used to make cheese and yogurt
muscle cramps

Question 28

can proteins be used for cellular respiration

Answer 28

yes

Question 29

can fats be used for cellular respiration

Answer 29

yes

Question 30

can proteins be directly used for cellular respiration

Answer 30

no, must be digested to amino acid first before it can be used in glycolysis/krebs cycle

Question 31

types of fats used in cellular respiration

Answer 31

glycerol for glycolysis
fatty acid - broken down by beta oxidation to be used in generating acetyl CoA for pyruvate oxidation