Stem cells are what allow planaria to grow and regenerate as the stem cells can change into any of the cells that make up the planaria.
Answer: AUG GU UGG AAU
Explanation: Since it's a point mutation which only effects single nucleotide; so in CGA codon, the second codon, deletion mutation has been occured while mRna strand is going to be synthesized, this has shortened the length of the resulting protein developed from these codons.
Since RNA contains uracil instead of thymine, so in place of thymine (T), uracil has been placed.
Helicase "unzips" the two strands of DNA. During DNA replication.
