A piece of DNA codes for a protein. Which of the following mutations is most likely to result in the smallest change in the protein for which piece of DNA codes? * a) Substitution of the first base in the sequence
b) Substitution of the third base in the sequence
c) Deletion of the first base in the sequence
d) Deletion of the third base in the sequence

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?