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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 DNA and and RNA. Make sure to discuss the type of sugar, the structure and the nitrogenous bases.

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?

 channel protein pic test 2.png The diagram above shows a section of a cell membrane that includes a channel protein. Which type of transport would the channel protein be needed for molecules to pass through the membrane?

The overall equation for photosynthesis is…

This diagram shows cellular activity across a cell membrane. membrane homeostasis pic test 2.jpg What two processes does this diagram most directly model?

The diagram below shows an animal cell in a beaker containing a solution of sugar and water. The cell membrane is permeable only to water. osmosis pic 1 test 2.jpg Which statement describes the relationship between the animal cell and the contents of the beaker?

For each glucose molecule that enters glycolysis, _________3-carbon molecules (pyruvate) are produced.

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.

What do the glucose molecules represent in the diagram below? enzyme pic 2 test 2(1).png

Chloroplasts are found only in organisms that are able to –