A Cell with a Defect in the Proofreading Function of DNA

question 155

Multiple Choice

A cell with a defect in the proofreading function of DNA polymerase is observed to have a rate of incorporation of incorrect bases into newly synthesized DNA that is 100 times greater than a cell with a nondefective, normal DNA polymerase. Estimate from this number what fraction of incorrect nucleotide incorporations are corrected by the proofreading function of DNA polymerase in the cell with normal DNA polymerase.

• A)0)9 percent
• B)9)0 percent
• C)99.0 percent
• D)99.9 percent

---

Definitions:

Diagnosis

The process of learning more about the client for the purpose of understanding the client’s presenting issue and potentially identifying the presence of a mental disorder.

DSM

The Diagnostic and Statistical Manual of Mental Disorders, a comprehensive classification system for mental health diagnoses.

Edition

A particular form or version of a published work, often differentiated by alterations, updates, or corrections.

Clinical Assessment

The comprehensive evaluation of a patient's physical, psychological, and social health to diagnose conditions and plan treatment.