Listen to the sentences and complete them with the correct word or words (there will be between 1 and 4 missing).
Spelling is important both in the OET and in your working lives, and this exercise will help you to improve.

The pharmacist will distribute medication to patients according to their prescriptions.
The culture medium provided optimal conditions for bacterial growth.
The study will conclude whether the drug is effective in treating the disease.
The pathologist examined the tissue section under the microscope.
The patient experienced a muscle strain while lifting heavy objects.
The patient had a prior history of heart disease.
The molecular structure of the protein was determined using X-ray crystallography.
The signalling pathway regulates gene expression in cancer cells.
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