How does the narrator know something is really wrong with Jamie? Pg. 31
book is the taste of blackberries.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.