It should be the trophic level..
Homozygous is when the two letters are the same and dominance is represented by capital letters. There is one square that has two capital letter so 1/4 is equal to 25%. Hope this helps
B) enzymes; Enzymes<span> act as </span>catalysts<span> in the body for biochemical reactions. Many of the drugs created by rational drug design are used to activate or inhibit </span>enzymes<span> to alter the bodies reaction to conditions such as </span>diabetes<span>.</span>
