Someone knows the answer would help me

the size of the molecules

A

Explanation:

gel electrophoresis separate molecules according to the size of the molecules

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above