Questions and worked solutions for ap biology 2019 exam. Frq answers 2019 biology questions student studying two different aquatic, unicellular protist species (species and designed an experiment to investigate the See how the college board scored student responses to question 3 on the 2019 ap® biology exam, which involved identifying the location of pdc, explaining its effect on nadh.
AP BIO REVIEW 2019 FRQs + Scoring Guidelines
Students were asked to describe the effect of the neurotoxin on the number of action potentials and to predict the effect of the neurotoxin on the maximum membrane potential of the.
Students were asked to use the data to calculate the rate of mtdna percent divergence per million years between humans and their most closely related species (chimpanzee).
In treatment group i, the student placed 10 individuals of species a into a container with liquid growth medium and 10 individuals of species b into a separate container with an equal amount. Students needed an understanding of ph, osmosis/water potential, and membrane transport to correctly respond to this question. Browse our range of college board ap® biology past exams and mark schemes below.
