Explanation:
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2.
5.
I'm pretty sure 2 and 5 are right, but I'm not 100% on 1.
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C.
Parasitism is where one organism lives off of another and it does well while it harms the other creature.
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When the baby is being pushed out of the uterus it dialates makeing it easier for the baby to be pushed out when the baby comes out completely the vagina contracts over a month back into its normal size
Answer:
p53 helps the cells from passing on mutations that lead to DNA damage. Hence, it is known as the guardian angel of the cell as it helps fight against cancer. However, if p53 becomes defective or missing, then the mutations will lead to cancer.
Mutations in the p53 can also cause the tumor-suppressing genes to convert into tumor causing genes. Hence, mutations in such kind of genes can be very harmful for the body.