Question

Unit 2 FRQ AP 

Bio Read each question carefully. Write your response in the space provided for each part of each question. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable and will not be scored. 

Scientists are testing substance Lto determine how it enters mammalian cells in a culture. The cells maintain a 120 millimolar (MM) intracellular concentration of substance L. The scientists determined the rate of entry of substance Linto the cells at various external concentrations of substance L (10 to 100 MM) in culture medium (Table 1).