How are mass and weight different? A Mass depends on the location of an object; weight measures the effects of gravity.
B. Mass measures the effects of gravity; weight measures the amount of matter in an object.
C. Mass measures the amount of matter in an object; weight measures the effects of gravity.
D. Mass depends on the location of an object; weight measures the amount of matter in an object.

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

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.