Biology chapter 9 quiz
6
For each glucose that enters glycolysis, _____ NADH + H+ are produced by the Krebs cycle.
2
For each glucose that enters glycolysis, _____ acetyl CoA enter the Krebs cycle
Diffusion
How does pyruvate enter a mitochondrion
2
How many NADH are produced by glycolysis?
Acetyl coA
Which of these enters the Krebs cycle?
FADH2
Which of these is NOT a product of glycolysis?
acetyl CO2
Which of these is NOT a product of the Krebs cycle? ATP NADH + H+ FADH2 CO2 acetyl CO2
NADH and FADH2; inter-membrane space
During electron transport, energy from _____ is used to pump hydrogen ions into the _____.
Oxidative phosphorylation
In cellular respiration, most ATP molecules are produced by _____.
pyruvate ... NADH
In fermentation _____ is reduced and _____ is oxidized.
2
In glycolysis there is a net gain of _____ ATP
Substrate-level phosphorylation
In glycolysis, ATP molecules are produced by _____.
ATP
In glycolysis, what starts the process of glucose oxidation?
carbon dioxide, lactate, NAD+, and ATP
In muscle cells, fermentation produces _____.
Substrate-level phosphorylation
In the Krebs cycle, ATP molecules are produced by _____.
kinetic energy that is released as hydrogen ions diffuse down their concentration gradient
The proximate (immediate) source of energy for oxidative phosphorylation is _____.
Oxygen
The final electron acceptor of cellular respiration is _____.