Which statement describes the function of the plasma membrane? a. it converts light to usable energy for the cell b. it makes lipids hydrophobic c. it regulates what goes in and out of the cell d. it participates in making proteins

Acar traveld with an average speed of 60 miles per hour for 2 hours. how far did it travel

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

Discuss cell surface transport in the structure of constituents