The answer to this question is option B. Hope this helps
Silent mutation and point mutation, the third C was turned into a G (point mutation) but this did not affect the amino acid it was supposed to code for (silent mutation)
The answer is it is a waste product produced by cellular respiration.
During Gas exchange in the lungs, oxygen replaces carbon dioxide, and oxygen,
oxygenates blood that spreads throughout the body, the Carbon Dioxide, which is
expelled from the lungs originated from the cellular respiration, which occurred
inside the body.
Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, known as cytokines, which control the entire immune response.
