D
2. osmosis always involves the movement of —

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

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).

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above