Before a cell divides, its DNA must be replicated to

Energy is released when ATP is broken down into ADP.

Which biological catalyst lowers the activation energy of a reaction?

Levels of Organization: List the levels in order (from the lowest to the highest)   (lowest level) [a] [b] [c] [d] [e] organ [f] (highest level) [g]

[a] – combined atoms

What is NOT a function of the plasma membrane?

Mitosis is to somatic cells as meiosis is to ________ cells.

Cells may lyse when placed into a hypertonic environment.

[a] – the study of life; one of its goals is to discover the unity and patterns that underlie the diversity of living organisms.

The simplest level of organization in the human body is the cellular level.