Which enzymatic activity is primarily responsible for the immortality of cancer cells?
ARNA polymerase
BTelomerase
CDNA polymerase
DDNA reverse transcriptase
Mutations are due to changes in:
ADNA nucleotide sequence
BRNA nucleotide sequence
CAmino acid sequence of ribonuclease
DCell membrane
A 50-year-old woman, who is 5 feet 7 inches tall and weighs 185 pounds, has a family history of diabetes mellitus. Her fasting blood glucose levels are 160 mg/dL and 155 mg/dL on two occasions, and her HbA1c level is 7.9%. After being educated on medical nutrition therapy, she returns for reevaluation in 8 weeks, reporting that she has followed diet and exercise recommendations, but her fasting blood glucose levels remain between 140 and 150 mg/dL, and her HbA1c level is 7.7%. She is asymptomatic, and physical examination reveals no abnormalities. Which of the following treatments is the most appropriate for her condition?
AMetformin
BA thiazolidinedione
CA dipeptidyl peptidase-4 (DPP-4) inhibitor
DInsulin therapy
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