These two animations illustrate how p53 binds to DNA to regulate transcription, leading to apoptosis of cells and inhibition of cancer cell growth. Several structural regions of p53 contribute to the anti-tumor function. Why is loop 2 important for p53 function

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

not only is it colder, it also becomes darker, less salty, and more dense.

you can have just about every answer you can think of