Two pink-flowering plants are crossed. the offspring percentages are 25% red, 25% white and 50% pink.

what are the genotypes of the offspring?
a. 25% homozygous dominant, 25% homozygous recessive, 50% heterozygous
b. all homozygous dominant
c. all homozygous recessive
d. 75% heterozygous, 25% homozygous dominant

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

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Amap's orientation is typically determined by an