Answer:
Option 4
Explanation:
Please see the attachment
Biology, Chemistry, physics and calculus.
Oldest
L
V
J
W
Z
N
Youngest
I am not too for sure about W since I haven’t done earth science in a while but I hope I helped
It is the final electron acceptor the goes on to bond with 2 molecule to make water.
The answer would be "<span>Cyclins are proteins that regulate when and how often a cell divides". Cyclins belong to a family of proteins that control the progression of a cell through its respective cell cycle. This is initiated by activating cyclin-dependent kinase (CDK) enzymes which regulate </span>transcription of RNA and process mRNA during mitosis.