Ecosystems that experience the same climate conditions are grouped together into larger regions called A. cycles
B. equators
C. poles
D. biomes

the binding of the substrate is dictated by the shape of each molecule. side chains on the enzyme interact with the substrate in a specific way, resulting in the making and breaking of bonds.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.