Which of the following occurrences would most likely result in an increase in allele frequencies in a population?

a. A disease killed off 3/4 of the members of a herd of wildebeest.

b. A third of the baby sea turtles that hatch are eaten by predators.

c. A school of trout that were separated by a dam.

d. A flock of ducks joined another group living near a lake.

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.