Answer:
These homologous chromosomes represent a maternal and a paternal chromosome
Explanation:
Tunica albuginea is the dense connective tissue <span>ʕ•ᴥ•ʔ</span>
<span>It is the kidneys, ureters, urinary bladder, and the urethra (I 99% sure thats the main ones)</span>
<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.