Through the phosphorylation, Cdks signal the cell that it is ready to pass into the next stage of the cell cycle. As their name suggests, Cyclin-Dependent protein Kinases are dependent on cyclins, another class or regulatory proteins. Cyclins bind to Cdks, activating the Cdks to phosphorylate other molecules.
We need the graph to answer it
Answer: a)Preconception test
Explanation: Preconception test is the test that is prescribed to the potential parents or during pregnancy to ensure about the good health conditions. There are certain factor that is detected by the test such as any disease due to alleles , depression,high blood pressure,diabetes, fertility etc. This test is important for the potential parents and the newborn babies health. So, the correct answer is option(a).
Blood always flows through the system in the same pattern: coming from the body, passing through the right side of heart, then out to the lungs to receive oxygen, then passing back through the left side of the heart and then traveling out to the body. Heart valves help to keep the blood flowing properly to each important destination of the circulation journey.