Answer: cell —> tissue —> organ —> organ system
aka. D
<span>In the "all or none" law of muscle contraction, it states that when the stimulus applied exceeds threshold then the the nerve sending signals to a few muscle fibers will give a complete response; contraction. Graded response is dependent on how many motor units have been recruited. The more motor units, the greater the force in the contraction.</span>
Answer:
Eukaryotic cells are cells with a nucleus (such as animal and plant cells) whereas Prokaryotic cells are cells without a nucleus (such as a bacterium cell)
Explanation:
<span>Simply put, the virus uses the host cell to make new viral parts.</span>