Exam: Cambridge English: C2 Proficiency (CPE)

Definition: Something that cannot be changed or undone once it has been decided or done.

Example: Once she signed the contract, her decision was irrevocable.

Definition: The quality of being impossible to revoke or change; a state of being final and unchangeable.

Example: The irrevocableness of her decision left no room for doubt or reconsideration.

Definition: A written or spoken introduction to a subject, often used in academic contexts.

Example: The professor provided an isagoge to help students understand the complex theories discussed in the course.

Definition: Relating to an introduction or preliminary instruction, often used in the context of teaching or learning.

Example: The isagogic approach helps students understand the basics before diving into complex topics.

Definition: A branch of theological study that focuses on the background and context necessary for interpreting religious texts, especially the Scriptures.

Example: The professor taught isagogics to help students understand the historical context of the Bible.

Definition: A type of government in which every citizen has the same amount of political influence and authority.

Example: In an isocracy, every citizen's vote carries the same weight in decision-making processes.

Definition: A type of enzyme that has a different chemical structure but carries out the same function as another enzyme.

Example: Isoenzymes can be found in different tissues of the body, performing similar roles in various biochemical processes.

Definition: A type of protein that has a slightly different structure but performs a similar function, often resulting from changes in genetic coding or processing.

Example: Researchers discovered a new isoform of the protein that may play a role in disease progression.

Definition: Relating to a type of sexual reproduction where the gametes (reproductive cells) are of similar size and shape.

Example: In certain algae, isogametic reproduction allows for the fusion of gametes that are indistinguishable from one another.

Definition: A state or condition where two or more things are derived from a common origin or have a similar structure.

Example: The isogeny of the two species indicates they share a common ancestor.