Answer:Objective questions
Explanation:
Answer:
sarcomeres
Explanation: A contracting skeletal muscle fiber typically shortens as all of its sarcomeres do this.... Thick and thin protein filaments in sarcomeres interact to cause.... True or false, thick and thin filaments maintain their same length whether the muscle is relaxed or contracted?
Answer:
Body systems are used throughout your body to help you move and to live like the heart for example.
There are four main organelles:
Nucleus
Ribosome
Rough Endoplasmic Reticulum
Golgi Apparatus
However, the ribosome is the most responsible for making protein, even though the other 3 are also important. It isn't a cell organelle but a cell structure that produces proteins.
<span>B. Inherited behaviors that allow animals to survive and reproduce will be spread throughout the population and can evolve by natural selection.</span>
