Answer:
Explanation:
1.They dug down for 10 feet before they hit bedrock.
2. His religious beliefs are the bedrock on which his life is based.
The chemical that caused decline of the eagle population is pesticide DDT
A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis. DNA and RNA molecules are written in a language of four nucleotides; meanwhile, the language of proteins includes 20 amino acids. Codons provide the key that allows these two languages to be translated into each other.