Answer: b is ineffective pointing lights on billboards and street signs upward
Answer:
Diagnosistic use
Explanation:
When a person goes to the hospital displaying signs and symptoms of a disease. The doctor will have to make a diagnosis.
Diagnosis is made to determine or explain which disease or condition is causing the symptoms.
Drugs that are used during radiological procedures and other medical tests will be used of Diagnostic purpose to show evidence of a disease.
From the results of the Diagnostic tests a conclusion came be made.
Therefore, they were for Diagnosistic use.
Because the mutation which does not have any effect on protein code I.e. even after the mutation if the gene still codes the same protein is called silent mutation
