Exam: Cambridge English: C1 Advanced (CAE)

Definition: A type of chemical compound made up of four connected pyrrole rings, often found in natural pigments like chlorophyll.

Example: Chlorophyll is a tetrapyrrole that plays a crucial role in photosynthesis.

Definition: This term describes an element or compound that can form four bonds with other atoms or groups.

Example: Carbon is a tetravalent element, meaning it can bond with four other atoms.

Definition: A type of chemical compound that contains a specific group of atoms known as tetrazole, often used in scientific tests to measure metabolic activity in cells.

Example: The researchers used tetrazolium to assess the viability of the cells in their experiment.

Definition: A strong poison that affects the nervous system, commonly found in puffer fish and some newts, which prevents nerves from sending signals by blocking sodium ions.

Example: Tetrodotoxin is extremely dangerous and can cause paralysis if ingested.

Definition: Describing something that is typical of a textbook, often implying a formal or academic style.

Example: The professor's lecture was very textbookish, filled with detailed explanations and structured information.

Definition: Relating to or based on written or printed material.

Example: The professor analyzed the textual evidence in the book to support her argument.

Definition: The characteristics and qualities that define a written text and how it is studied or interpreted.

Example: The textuality of the novel allows readers to explore its deeper meanings and themes.

Definition: To convert something into written or printed form, making it clear and fixed in text.

Example: The researcher decided to textualize her findings in a detailed report.

Definition: Relating to the thalamus, which is a part of the brain that helps process and relay sensory information.

Example: The thalamic region of the brain plays a crucial role in sensory perception.

Definition: A part of the brain that acts as a relay station for sensory information, sending signals to the cerebral cortex.

Example: The thalamus plays a crucial role in processing sensory information before it reaches the brain's outer layer.