In human cells, energy utilization is about __________ efficient compared to an automobile engine, which is about ______ efficient.
A) 1% / 100%
B) 10% / 50%
C) 25% / 90%
D) 40% / 25%
E) 75% / 10%

Question

Quizplus · Accepted Answer

Human cells are approximately 40% efficient in energy utilization, while an automobile engine is about 25% efficient. This reflects the biological efficiency of converting chemical energy into work in cells versus the mechanical efficiency of converting fuel into motion in engines.

In Human Cells, Energy Utilization Is About __________ Efficient Compared