A53-year-old man presents to the emergency department with a chief complaint of inability to form words, and numbness and weakness of the right arm and leg. where would you locate the site of injury?

Left frontoparietal regionexplanation: the patient is exhibiting signs of expressive aphasia with numbness/tingling and weakness of the right arm and leg. this indicates injury to the expressive speech center (broca's area), which is located in the inferior portion of the frontal lobe. the motor strip is located in the posterior portion of the frontal lobe. the sensory strip is located in the anterior parietal lobe.

Pro insulin undergoes extensive posttranslational modification along the production pathway .