Which of the Following Enzymes Is Present in Both the Citric

question 73

Multiple Choice

Which of the following enzymes is present in both the citric acid cycle and the electron and H⁺ transport chain?

• A) aconitase
• B) isocitrate dehydrogenase
• C) malate dehydrogenase
• D) succinate dehydrogenase

---

Definitions:

Rubella

A contagious viral infection best known by its distinctive red rash, also called German measles, and potentially dangerous to pregnant women due to its teratogenic effects.

Herpes

A viral infection caused by herpes simplex virus types 1 (HSV-1) and 2 (HSV-2), which can cause oral and genital lesions.

Presbycusis

Age-related hearing loss, typically affecting the ability to hear higher frequencies.

Incus

One of the three small bones in the middle ear, known as an auditory ossicle, which helps to transmit sound vibrations to the inner ear.