What is true of a catalyst? a. it is not consumed by the reaction. b. it is a product of a chemical reaction. c. it is a reactant in a chemical reaction. d. it provides the energy needed for the reaction.

A It is not consumed by the reaction.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: