Answer:
B
Explanation:
they concluded that no protein is genetic material.
If this is what you are looking for : SO4 is sulfate's formula. We can say Sulphur and Oxygen is the answer.
Answer:
B)Cyclins regulate the timing of cell cycle
We can tell the age of a yeast cell by counting scars or bud scars.
As a mother cell of yeast goes through successive rounds of cell division, the Bud scars remain permanently deposited on the surface of the mother cell. The budding of each daughter cell leaves a ring-shaped deposit which is called a bud scar which deposits on the cell wall of the mother cell.
Therefore, if the mother cell divides, it will leave bud scars. Again if the daughter cell divides, then again, it will leave bud scars. So, counting these ring-shaped deposits or bud scars will give the number of successive cell divisions and the age of yeast cells.
Learn more about budding here
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