mutated

"The mutation in the school's lunch menu this week was a change from pizza to pasta. "

"He discovered penicillin largely accidentally."

"The medicine helped my grandmother feel better after she had the flu. "

"The student was a strong resistant, leading the group in their peaceful protest against the unfair school rules. "

"The train slowly underwent the tunnel. "

"He does not even possess a working telephone."

"This manuscript is the original."

"The doctor identified the specific bacteria causing the student's illness. "

"heat radiation"

"The child laughed uncontrollably during the funny movie scene. "

"The scientist studied the effects of different types of soil on plant growth. "

"The lightning caused thunder."