The role of enzymes in biological systems is to catalyze chemical reactions. in 1894, chemist emil fischer proposed the lock and key analogy of enzyme action. this analogy explains the specific action of an enzyme with a single substrate. compare the two models seen here. how do they both represent the lock and key analogy?

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.