Wwxxyyzz Ap Bio 2020 May 2026

| Condition | Growth rate | |--------------------|-------------| | Aerobic, glucose | 1.2 | | Anaerobic, glucose | 0.4 | | Aerobic, no glucose| 0.1 |

AP Biology 2020 – Practice Exam Organism code: Wwxxyyzz Question 1 (25 min) [Insert your data table or figure here] (a) [Your question] (b) [Your question] (c) [Your question] (d) [Your question] Wwxxyyzz Ap Bio 2020

The organism is exposed to an antibiotic that blocks the electron transport chain. Predict the relative growth rate under aerobic conditions (compared to the table) and explain how the cell would compensate. (2 points) Question 2 (20 min) A population of Wwxxyyzz is grown in a chemostat for 200 generations. Initially, all individuals have the same allele for a membrane transport protein. After 200 generations, two alleles (A and a) are present at frequencies: A = 0.3, a = 0.7. Initially, all individuals have the same allele for

Describe one mechanism that could have introduced the ‘a’ allele into the population. (1 point) (1 point) Answer Key (for teacher use) 1(a)

Answer Key (for teacher use) 1(a) … 1(b) … (etc.)

Question 2 (20 min) [Insert your model or scenario here] (a) [Your question] (b) [Your question] (c) [Your question] (d) [Your question]