I go with Ice Core examples since early sociteties probably didn't have Written Records or maps, and tree rings would only tell if they were fossilized. I hope this helped :)
<span>#1) With reference to the role of oncogenes, explain how the normal controls over the cell cycle can be lost.
Answer: The way that cell cycle can be lost is by going through changes in the activity of cell cycle regulators. Cancer causes different types of mutations. There are two types of cell cycle regulators that can promote the development of cancer:
-Positive Regulators that can be over activated (become oncogenic).
-Negative Regulators (tumor suppressors) which can be inactivated.
I hope it helps, Regards. <span /><span>
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The trees dont take in co2 cause there are none cutting off the oxygen cycle
<span>Above human figure, beyond are approximately 5 million of hair follicles. Men have approximately a rare 100,000 larger than ladies. Something varies greatly exceedingly, the characteristices of the female hair and the men are heavy, lengthy hair and so forth.</span>
By looking at the diagram, and my knowledge of Punnett squares, i would say B. 4:16