The concept of cell signaling is helpful to other fields as they listen to what is signaling them and form a unified action plan.
Answer:
a. Centromere
A centromere is a specialised DNA sequence of a chromosome that links pair of sister chromarids (a dyad)
there is mostly billions of amount of water from raindrops each day i think.
If You want a EXACT number i'll say, 1,100.
