Teacher:Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
Teacher: Now, understand the problem? Solve this instance: Question: Does regulation of H2O2 generation in thyroid cells involve Rac1 activation?
Answer: Unlike in leukocytes, Rac proteins do not play a role in H2O2 generation in thyroid cells. A different regulatory cascade for the control of H2O2 generation remains to be defined.
Student:
no