Cell y has a surface area of
40
 
μ
m
2
40μm
2
40, mu, start text, m, end text, squared and a volume of
8
 
μ
m
3
8μm
3
8, mu, start text, m, end text, cubed. cell z has a surface area of
72
 
μ
m
2
72μm
2
72, mu, start text, m, end text, squared and a volume of
12
 
μ
m
3
12μm
3
12, mu, start text, m, end text, cubed.
using the information above, determine the surface-area-to-volume ratio of each cell. what is the sa: v ratio of the cell that will exchange materials with its environment at the fastest rate of diffusion?

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

Describe how alleles and genes are related

Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.