Describe four examples of metabolic processes. me

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?