In which blood vessels would you expect to find the greatest amount of exchange

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

What's the waste product of electrons and pyruvate combining in fermentation?