Answer:
the correct option is D.
Explanation:
in case of quaternary level of protein structure , protein has more than one polypeptide chains and in this level , the polypeptide chains are aggregated and held together by hydrophobic interactions, hydrogen and ionic bonds. this specific arrangement is called the quaternary structure.for example :-
Haemoglobin the oxygen carrying protein of red blood cells, exhibits such a structure.
Gated channel proteins are the name you are looking for
Answer:
i think it is c
Explanation:
It seems to be a logical answer.
Answer:
B. Osteoclasts
Explanation:
Osteoclasts are bone cells which absorb bone tissue during growth and healing.