What is the term for metabolic pathways that release stored energy by breaking down complex molecules?
What is Catabolic pathways
100
what is the term used for the metabolic pathway in which glucose is degraded in the present of oxygen to carbon dioxide and water?
What is cellular respiration
100
which statement is not correct with regard to redox (oxidation -reduction) reactions?
What is a molecule is reduced if it loses electrons
100
the molecule that functions as the reducing agent (electron donor) in a redox or oxidation-reduction reaction.
What is loses electrons and loses energy
100
which of the following statements describes the results of this reaction?
What is C6H12O6 is oxidized and O2 is reduced
200
when a glucose molecule loses a hydrogen atom (not a hydrogen ion) as the result of an oxidation-reduction reaction, the molecule becomes...
What is oxidized
200
when a molecule of NAD+ gains a hydrogen atom (not a hydrogen ion) the molecule becomes
What is reduced
200
where does glycolysis take place?
What is cytosol
200
The ATP made during glycolysis is generated by
What is substrate-level phosphorylation
200
In addition to ATP, what are the end products of glycolysis?
What is NADH and pyruvate
300
in glycolysis, for each molecule of glucose oxidized to pyruvate
2 molecules of ATP are used and 4 molecules of ATP are produced
300
which of the following intermediary metabolite enters the citric acid cycle and is formed in part by the removal of carbon from one molecule of pyruvate?
What is acetyl CoA
300
During cellular respiration, acetyl CoA accumulates in which location?
What is mitochondrial matrix
300
how many carbon atoms are fed into the citric acid cycle as a result of the oxidation of one molecule of pyruvate?
What is 2
300
During aerobic respiration, electrons travel downhill in which sequence?
What is food-> NADH-> electron transport chain-> oxygen
400
where do catabolic products of fatty acid breakdwon enter into the citric acid cycle?
What is acetyl CoA
400
the primary role of oxygen in cellular respiration is to...
What is act as an acceptor for electrons and hydrogen, forming water.
400
inside an active mitochondrion, most electrons follow which pathway?
What is citric acid cycle-> NADH-> electron transport chain-> oxygen
400
muscle cells in oxygen deprivation convert pyruvate to ______, and in this step again ______.
What is lactate; NAD+
400
in the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of...
What is ATP, CO2, and ethanol (ethyl alcohol)
500
in alcohol fermentation, NAD+ is regenerated from NADH during the
What is reduction of acetaldehyde to ethanol
500
the final electron acceptor of the electron transport chain that functions in oxidative phosphorylation is
What is oxygen
500
which of the following are products of the light reactions of photosynthesis that are utilized in the calvin cycle?
What is ATP and NADPH
500
where does the calvin cycle take place
What is stroma of the chloroplast
500
where do the enzymatic reactions of the calvin cycle take place