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.

A(n) ________ plane separates the body into unequal left and right parts.

The first stage of cellular respiration is _____.