Match the following terms and definitions. 1. replication
when both genes are dominant and both are expressed in the phenotype
2. mutation
the breeding of two organisms that have genes for two different characteristics
3. codominance
separation of DNA's two polynucleotide chains, which act as a template for a new chain
4. multiple alleles
when more than two alternatives for a gene exist
5. dihybrid cross
a copying mistake made during DNA replication

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

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

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these