Cellular respiration
Which statement describes the citric acid cycle?
This process produces some ATP and carbon dioxide in the mitochondrion.
_______________ attaches phosphate groups to ADP molecules to generate ATP.
ATP synthase
Which of the following processes takes place in the cytosol of a eukaryotic cell?
glycolysis
What is the correct general equation for cellular respiration?
C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy
In glycolysis there is a net gain of _____ ATP.
2
For each glucose that enters glycolysis, _____ NADH enter the electron transport chain.
10. A total of 10 NADH are produced -- 2 are produced in glycolysis, 2 are produced in acetyl CoA production, and 6 are produced in the citric acid cycle.
How many NADH are produced by glycolysis?
2
In glycolysis, what starts the process of glucose breakdown?
ATP
During electron transport, energy from _____ is used to pump hydrogen ions into the _____
NADH and FADH2 ... inter-membrane space
The proximate (immediate) source of energy for oxidative phosphorylation is _____.
kinetic energy that is released as hydrogen ions diffuse down their concentration gradient
In glycolysis, ATP molecules are produced by _____.
substrate-level phosphorylation
Which energy-rich molecule produced by cellular respiration directly powers cell work?
ATP
Which of these is NOT a product of glycolysis?
FADH2. It is a product of the citric acid cycle.
Which statement describes glycolysis?
This process splits glucose in half and produces 2 ATPs for each glucose.
Which statement describes the electron transport chain?
This process uses energy captured from electrons flowing to oxygen to produce most of the ATPs in cellular respiration.
Which of the following molecules is broken down in cellular respiration, providing fuel for the cell?
glucose
Select the correct sequence of steps as energy is extracted from glucose during cellular respiration.
glycolysis → acetyl CoA → citric acid cycle → electron transport chain
In muscle cells, fermentation produces _____.
lactate and NAD+
In what organelle would you find acetyl CoA formation, the citric acid cycle, and the electron transport chain?
mitochondrion
In cellular respiration, most ATP molecules are produced by _____.
oxidative phosphorylation
The final electron acceptor of cellular respiration is _____.
oxygen