It’s C because they took out the letter A from the new strand of DNA. btw deletion means to take away and substitution means to sub in a letter. hope that helped!
So what you can to is like AGT GCA TCA then you can transcribe it to UCA CGU AGU. Finally all you need to do is put it in the codon chart Ser is the first Arg is your second and Ser is your last.
Answer:
The Mid-Atlantic Ridge runs down the center of the Atlantic Ocean. ... The rift valley is 1 to 3 km deep, about the depth and width of the Grand Canyon. In contrast, the East Pacific Rise spreads fast at rates of 6 to 16 cm per year (more than 20 cm per year in the past).
I believe it's totipotent, pluripotent, and multipotent.