Although glycolysis requires an input of Adenosine triphosphate, this pathway results in a net gain of two Adenosine triphosphate. Therefore, it is exergonic pathway.
A series of reaction in metabolism is called pathway.
A chemical reaction when there is a negative free energy within the changes currently present showing continuous reaction.
Although glycolysis requires an input of atp, this pathway results in a net gain of two atp; therefore, it is exergonic pathway.
Explanation;
An exergonic pathway refers to a pathway where energy is released. Glycolysis involves the breakdown of glucose to produce two pyruvate molecules. Overall, glycolysis is an exergonic reaction as it releases more energy than the energy utilized in the process.
Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.