2026, Question 3 · Short answer · 4 points · about 10 minutes
Cyanide and cellular respiration
Evaluate control groups and predict how cyanide affects electron transport, ATP production and lactic acid formation.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2026 exam. It starts on page 8 of the PDF.
2 Write your answer
Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.
3 Score it
Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.
Scoring guidelines (PDF, page 8)
Question, scoring guidelines: College Board. The title, summary are ours.