The answer would be “A cancer cell” i believe.
Answer: Hemoglobin
Explanation: Hemoglobin is a protein very rich in iron found in red blood cells and is responsible for the transportation of Oxygen from the lungs to the whole body. Oxygen binds to the hemoglobin in red blood cells and the red pigmentation of blood that is highly oxygenated is due to the hemoglobin content found in RBC's.
The answer would be the last one because a deletion changes every codon configuration that follows it and thus changes the amino acid that codes for that codon
