Biology C5 RR Evolution and Glycolysis Flashcards
Note: questions and answers are reworded from the required reading, beware issues of plagarism.
What is the evoluationary importance of glycolysis?
Early prokaryotes used glycolysis to produce energy beforethere was oxygen in the atmosphere.
Why was glycolysis not elimnated by natural selection?
Glycolysis is needed to form pyruvate, a reactant of the Krebs cycle.
Order the following terms:
photosynthesis, glycolysis, Krebs Cycle, Fermentation
glycolysis, fermentation, photosynthesis, Krebs Cycle
When do the earliest fossils of bacteria date to?
over 3.5 billion years ago
When did the earth’s atmosphere begin to contain significant amounts of oxygen?
about 2.7 billion years ago
What is the term for photosynthetic bateria?
cyanobacteria
What suggests that glycolysis evolved very early on in the history of life?
it is very widespread and occurs in the cytoplasm
How long did it take for organelles to evolve?
nearly 2 billion years after prokaryotic cells developed
