Pinocytosis is the process in which the cell _____.

You have just answered 10 questions at this point of the exam.  Approximately 10 minutes should have gone by, which means you should have 71 minutes left on the exam timer.  Take a deep breath, relax, and use all of the time that is available to you.  Do you understand that you do not need to rush through these questions and that you should have 71 minutes left to complete the rest of this exam?

When a cell is placed in a solution with a very low solute concentration, water diffuses into the cell. Such a solution is called a(n) _____ solution.

An element’s atomic number is determined by the number of _____ in one atom of that element.

Movement of a substance from an area of higher concentration to one where it is less concentrated is known as _____.

When a cell surrounds a large particle with pseudopodia and then engulfs it, the process is called _____.

Which of the following bonds are ionic? (Select all that apply)

What does a buffer do when hydrogen ions are added to a solution?

The optimal pH range for the stomach enzyme pepsin is _____.

When two or more polypeptide chains come together to give a protein its ultimate shape, that structure is described as the ______ structure.