In the biochemical assay lab, test tubes a and b were treated with onpg. after 15 minutes of incubation, test tube a turned a yellow color while test tube b remained a clear color. test tube contained which reacted with onpg to produce and .

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?