James Watson and Francis Crick
Plants and trees use photosynthesis
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.
Variation: When one of that species develops another trait or skill that the others do not have.
Adaptation: When a species changes in order to survive a certain place or survive a predator
All the lactating females in a pride suckle cubs showing no favoritism for their own offspring. The reason for this is that each lioness is enhancing her own genes' success by helping to raise her sisters' offspring. Mothers give birth to up to 6 cubs at a time but litters of 2 or 3 are more common.
Hope this helped.
