The First Reaction in the Chain of Enzyme-Catalyzed Chemical Reactions

question 76

Short Answer

The first reaction in the chain of enzyme-catalyzed chemical reactions that convert the amino acid tyrosine into eumelanin or pheomelanin is orchestrated by an enzyme encoded by the C gene.This enzyme is called ________.

---

Definitions:

Identical Twins

Twins that develop from a single fertilized egg that splits and forms two embryos, sharing 100% of their DNA.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, making them genetically as similar as regular siblings.

IQ Scores

A numerical measure of an individual's intelligence level as assessed by standardized tests.

Reaction Range

The variation in potential outcomes of a particular phenotype or behavior determined by genetic limits in response to different environmental conditions.