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 _____.

The sodium-potassium (Na/K) pump is an example of _____.

_____ is/are responsible for synthesizing most of a human body cell’s ATP.