When markup is based on cost:

You only need to answer 2 of the 4 short answer questions – you are welcome to answer all 4 but only the best 2 responses will count toward your grade.   Compare and contrast viruses with cellular organisms. Make sure to include one characteristic they have in common with each other!

The cell membrane of red blood cells will allow water, oxygen, carbon dioxide, and glucose to pass through. Because other substances are blocked from entering, this membrane is called?

Using the diagram below which letter(s) represents the substrate? enzyme pic 1 test 2(2).png

An animal cell placed in a sugar solution is show in the diagram below. osmosis pic 2 test 2.png Which statement best describes how osmosis will affect this animal cell?

Photosynthesis uses sunlight to convert water and carbon dioxide into—

Lactose is found in milk products. It is converted by the body into a usable form in a series of chemical reactions. The diagram shows the series of reactions that convert lactose into a usable form. enzyme sequence test 2.jpg If Enzyme 2 is denatured, the levels of which substance will increase.

Which of the following statements describes molecules that use a form of passive transport?

Which process requires the presence of oxygen to produce energy?

List all of the processes in which ATP is produced. (You must be specific in order to get bonus points).