(A) Brighter, Because stars are 10 billion times brighter than the sun.
(C) they used trans-Saharan trade route to acquire expensive ivory.
I would think to protect the wound and clot any blood
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.