<h2>Tropomyosin</h2>
Explanation:
This protein is most likely: Tropomyosin.
Sacromere is the structural unit of myofibrils i.e. the fibres of the muscles.
Tropomyosin is the muscle protein that function in contraction of muscle filaments.They are arranged laterally along the myofilament. When the researcher is observing the sacromere, she is observing the muscle fibre. So, the protein that lines the periphery along the thin filament is more likely to be tropomysin.
I say A they dont neither grow or lower. and if they do they go back to normal
Oxygen is needed for the heart to oxygenate blood.
Answer:
C: Both
Explanation:
Both plant and animal cells uses energy through cellular respiration.
