Answer:
Such a substitution could: change a codon to one that encodes a different amino acid and cause a small change in the protein produced. For example, sickle cell anemia is caused by a substitution in the beta-hemoglobin gene, which alters a single amino acid in the protein produced.
Explanation:
For example, sickle cell anemia is caused by a substitution
Glycolysis is the first stage of cellular respiration. It’s the splitting of glucose. This process occurs in the cytoplasm of the cell. It occurs with or without oxygen.