The correct answer is atomic number. so letter A. I hope this correct let me know.
Answer:
97% of the earth water is salt water
The answer is B cell membrane
ALL CELLS NEED THIS TO PROTECT THEM!
We can confirm that a person with very toned muscles likely has tightly packed myofibrils.
<h3>What are myofibrils?</h3>
These fibers are the protein filaments that cause contractions in the structure of the muscle. Weight training tones muscles by increasing the number of myofibrils in a sarcomere, thus increasing its capacity to produce force.
Therefore, we can confirm that a person with very toned muscles likely has tightly packed myofibrils.
To learn more about muscle fibers visit:
brainly.com/question/1426285?referrer=searchResults
Answer:
Proteins are essential elements for growth and repair, good functioning and structure of all living cells
Explanation:
