Under what conditions would a cell perform lactic acid fermentation instead of the krebs cycle and etc

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean