Finn listed two of the three steps involved in gene therapy.

1. The normal allele is removed from the chromosome.
2. The normal allele is added to the cells of a person with the disorder.

Which step should he also include, and where?

The normal allele is copied before step 1.
The normal allele is copied after step 1.
The unhealthy gene is cut from the DNA before step 2.
The unhealthy gene is cut from the DNA after step 2.

a = executive branch; b = judicial branch

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.