Mark has diabetes and needs to undergo dialysis twice a week. Dialysis purifies the blood by removing waste and excess water from the blood. Which body system does dialysis perform a function for?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Why is the structure of molecule important to its function?

Can someone me with 3 and 4 plz. this is for masteries test.