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Small molecules such as fatty acids which can dissolve in lipids:

Which components of the cell membrane are responsible for actively carrying materials across the membrane?

You are told that the cells on a microscope slide are either plant, animal, or bacterial cells. You look at them and see cell walls and mitochondria. What can you conclude about the cells?

A plasma membrane surrounds:

The cell organelle responsible for processing and packaging materials is the:

The organelle that produces energy for the cell is the ___. (Your answer must be spelled correctly!)

Alpha helix and beta pleated sheet are each examples of which level of protein structure?

Match each description below with the family of macromolecules to which it applies.

A chemical which prevents the pH of a solution from changing is called a ____.

Which of these statements is true about radioactive isotopes? Select ALL of the choices that are true.