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DMD is a genetic disease due to the mutation of the dystrophin gene, located on chromosome Xp21. It is inherited as an X- linked recessive trait; however, approximately 30% of cases are due to new mutations. Mutations in the dystrophin gene result in diseases known as dystrophinopathies, which encompass Duchenne muscular dystrophy, Becker muscular dystrophy, and an intermediate form. Mutations result in a limited production of the dystrophin protein, which results in loss of the myofiber membrane integrity with repeated cycles of necrosis and regeneration. Fibrous connective tissue and fat progressively replace muscle leading to clinical features

1. Define the term directional implied hypothesis and provide one related to the field of nursing.

2. The one-step growth curve was used to study ______

3. Which phase measures the period before the infectious virus is released into the medium?

4. The genetic material of bacteriophage T2 is __

5. Viruses, outside their host cells, survive as __

6. The viral genome is packaged into a structure made of _

7. The number of subunits in a virus particle is given by __

8. Which body has responsibility for the assignment of new viruses to specific groupings?

9. The Baltimore classification was based on the importance of ___

10. Class III of Baltimore classification contains viruses with _

11. The fusion of ___________ and ____________ occurs during the entry of viral genome into the cell.

12. The presence of O-specific side chains makes a cell sensitive to _____