A 50-year-old postmenopausal woman presents to the clinic with complaints of vaginal itching, burning, and discomfort over the past two weeks. She also reports a thick, white, clumpy vaginal discharge that had no foul odor. The symptoms are associated with mild swelling and redness around the vulva, causing significant discomfort during urination and intercourse. She denies systemic symptoms such as fever or chills. Her past medical history is significant for type 2 diabetes mellitus, which is poorly controlled, with a recent hemoglobin A1c level of 9.2%. She is not sexually active and has not experienced similar symptoms in the past. On physical examination, there is erythema and edema of the vulva, with areas of excoriation due to scratching. Speculum examination reveals thick, white plaques adherent to the vaginal walls, which are erythematous and inflamed. There is no foul odor or purulent discharge. Bimanual examination reveals no tenderness of the uterus or adnexa, and no masses were palpated. Laboratory investigations included a vaginal pH test, which shows a value of 4.0. Microscopic examination of vaginal discharge using potassium hydroxide (KOH) preparation reveals budding yeast and pseudohyphae. You decided to treat her with oral fluconazole. As you order the prescription, the patient tells you that she is curious to know the mechanism of action of this medication. Which of the following correctly describes the mechanism of action of fluconazole?