When a molecule loses hydrogen atoms (as opposed to hydrogen ions), it becomes

When a molecule loses hydrogen atoms (as opposed to hydrogen ions), it becomes

reduced.

redoxed.

hydrolyzed.

oxidized.

 

Which of the following statements about metabolic pathways is false?

Many metabolic pathways are compartmentalized in eukaryotes.

The rate of the pathway can be altered by activating or inhibiting some key enzymes within the pathway.

Almost all metabolic pathways are anabolic.

Metabolic pathways are a series of enzyme-catalyzed reactions.

 

ATP production is an example of

the combustion of a molecule.

an exergonic phosphorylation reaction.

the coupling of an exergonic reaction to an endergonic reaction.

a phosphoreductase reaction.

 

In the first reaction of glycolysis, glucose receives a phosphate group from ATP. This reaction is

exergonic.

endergonic.

a redox reaction.

respiration.

 

In both photosynthesis and respiration, protons are pumped across a membrane during

CO2 fixation.

electron transport.

photolysis.

reduction of O2.

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