If yeasts are grown under anaerobic conditions, pyruvate is converted first to ____ and then to ____
a. citrate; oxaloacetate
b. acetaldehyde; lactate
c. lactate; carbon dioxide
d. acetaldehyde; ethyl alcohol
e. acetyl coenzyme A; citrate
d
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Which of the following groups of biomes is listed in order of greatest to lowest evapotranspiration ratio?
A. rain forest, deciduous forest, desert B. desert, deciduous forest, rain forest C. deciduous forest, desert, rain forest D. desert, rain forest, deciduous forest E. deciduous forest, rain forest, desert
What can happen to glucose that enters the body during the absorptive state? Check all that apply.
_____ It can be used immediately as fuel. _____ It can be stored as glycogen in the liver. _____ It can be stored as glycogen in the muscles. _____ It can be converted to a triglyceride and then stored in fat cells. _____ It can be converted into the hard extracellular matrix of bone.
What is the importance of nitrogen-fixation to autotrophic organisms?
What will be an ideal response?
Why do amphibians need to live in moist habitats?
What will be an ideal response?