Exam: Cambridge English: C1 Advanced (CAE)

Definition: A section of DNA that contains a group of genes that work together to control the production of proteins, including a promoter and an operator.

Example: The operon is essential for regulating gene expression in bacteria.

Definition: Involving a lot of hard work and effort; requiring much labor.

Example: The operose task of building the bridge took several months to complete.

Definition: Describing a type of rock texture where flat, lath-shaped crystals of plagioclase are surrounded by pyroxene crystals.

Example: The geologist identified the sample as ophitic due to its unique crystal structure.

Definition: This word describes something that is connected to the eye or its functions.

Example: The doctor prescribed ophthalmic drops to help with my eye irritation.

Definition: Related to the branch of medicine that deals with the diagnosis and treatment of eye disorders.

Example: The ophthalmologic examination revealed that she had a minor eye condition.

Definition: A doctor who focuses on the diagnosis and treatment of eye diseases and vision problems.

Example: After experiencing vision issues, I made an appointment with an ophthalmologist.

Definition: This is a field of medicine that focuses on the study and treatment of the eye and its diseases.

Example: She decided to specialize in ophthalmology to help people with vision problems.

Definition: Related to a medical instrument used to examine the inside of the eye.

Example: The doctor used an ophthalmoscopic examination to check for any issues with my vision.

Definition: A medical examination technique used to look at the inside of the eye, particularly the retina and optic nerve, using a special instrument called an ophthalmoscope.

Example: The doctor performed an ophthalmoscopy to check for any signs of eye disease.

Definition: Describes someone or something that has been treated with or is affected by a substance that dulls pain or induces sleep, often derived from opium.

Example: After the surgery, he felt opiated and drowsy due to the medication.

Definition: To have administered or taken a drug that causes sleep or pain relief, often derived from opium.

Example: The doctor opiated the patient to help manage their severe pain after surgery.