In the absence of oxygen, some organisms produce ethanol (alcohol) and atp from pyruvate and nadh. what is the name of this anaerobic pathway?
a. lactic acid fermentation
b. glycolysis
c. krebs cycle
d. alcohol fermentation

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Why do mountaineers become breathless as they reach high altitudes

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.