The process of osmosis is best illustrated by the movement of:

Which process requires cellular energy to move molecules across the cellular membrane from a region of low concentration to a region of higher concentration?

A biologist diluted a blood sample with distilled water. While observing the sample under a microscope, she noticed the blood cells burst. This bursting is most likely caused by which process?

The organelle that is the site of cellular respiration is the:

There are three different red blood cell suspensions. Which suspensions, when viewed under microscope, would contain red blood cells that appear wrinkled and reduced in volume?

Three different red blood cell solutions are prepared. Which suspension, when viewed with a microscope, will contain red blood cells that had swollen and burst?

Which structure, composed mainly of proteins and lipids, aids in maintaining homeostasis in a cell?

Which process requires the expenditure of cellular energy?

Here is a picture of an animal cell. What organelle is the arrow pointing to?

In the picture of the animal cell, what is the function of he organelle the arrow is pointing to? (select all that apply)

Which process does not require the use of cellular energy to transport materials into or out of a cell?

Which of the following processes relies on the difference in concentrations (concentration gradient) to move materials across a semi-permeable membrane?

Which of the following are examples of passive transport? (Select all that apply)

Which of the following are examples of active transport? (Select all that apply)