How do you have to be to become a medical- biologist?

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

What is the next step in the process after a substrate enters the active site of an enzyme