Egypt's geological history has produced four major physical regions: the Nile Valley and Delta, the Western Desert (also known as the Libyan Desert), the Eastern Desert (also known as the Arabian Desert), and the Sinai Peninsula.
Abbreviation: Ks values. A synonymous mutation is a change in the DNA sequence that codes for amino acids in a protein sequence, but does not change the encoded amino acid. Due to the redundancy of the genetic code (multiple codons code for the same amino acid), these changes usually occur in the third position of a codon.
missense mutation, silent mutation, and nonsense. the repair of thymine dimers by enzymes that break the covalent bonds between the dimers is called _____ repair. photoreactivation. sequences of DNA that can move to new positions within the genome of a single cell are called ______. transposons.