In no more than one sentence, describe the exoplasmic face of the cell?

In no more than one sentence, describe the cytosolic face of the cell?

In no more than three complete sentences, answer:  When growing cells/tissues from multicellular animals/plants in culture, why is it important to use antibiotics in the media and to do everything under the hood in an aseptic environment? 

Which face is similar to the extracellular or exoplasmic face of the membrane? 

After the journal entries have been posted, a trial balance must be prepared. The trial balance is simply a list of the ledger accounts that have balances. 

The general ledger contains all of the ledger accounts and contains detailed information about the increases and decreases in each of those accounts.

In no more than one sentence, describe the exoplasmic face of the cell?

In no more than one sentence, describe the cytosolic face of the cell?

In no more than three complete sentences, answer:  When growing cells/tissues from multicellular animals/plants in culture, why is it important to use antibiotics in the media and to do everything under the hood in an aseptic environment? 

For the function f(x)=x2-1, find the difference quotient f(x+h)-f(x)h, h≠0.