Chapter 9 Quiz Review Flashcards
Substance gains electrons
Reduction
Combination of oxidation and reduction reaction
Redox reaction
During cellular respiration _______is oxidized, and ______ is reduced
glucose oxidizes
oxygen reduces
During energy investment phase of glycolysis, how many ATP are used?
2 ATPs are used
During energy pay-off phase of glycolysis, how many ATP are produced?
4 ATPs are produced
What is the net ATP and NADH gain at the end of glycolysis?
2 ATPs and 2 NADHs
Where does glycolysis takes place?
Cytosol/cytoplasm
Which organic molecule is produced at the end of glycolysis?
Pyruvic acid (two molecules per glucose molecule)
Pyruvate is converted to ______before entering Citric acid cycle
Acetyl CoA (two of these)
The Krebs cycle generates ___ATP, _______NADH, and ______FADH2 per turn
1 ATP, 3 NADHs, and 1 FADH2
Which step of cellular respiration generates 90% of ATP?
Oxidative phosphorylation
What is the location of chemiosmosis?
Mitochondrial matrix
Which steps of cellular respiration require oxygen?
Intermediate step/bridge reaction
Krebs cycle
Oxidative phosphorylation
How many ATPs are produced during substrate level phosphorylation?
4 ATPs
What is the location for bridge reaction?
Mitochondrion
Electron transport chain generates how many ATP(s)?
no ATP
What is the total gain of ATP from 1 glucose molecule?
38 ATPs
What percentage of the energy of a glucose molecule is converted into ATP?
40%
During oxidative phosphorylation, the final acceptor of electrons or hydrogen ion is?
Oxygen
Pyruvate is converted to ethanol during what type of fermentation?
Alcohol fermentation
Cheese and yogurt are formed through what type of fermentation?
Lactic acid fermentation
Substrate level phosphorylation generates what percentage of total ATP produced during cellular respiration?
10%
