Exam: IELTS

Definition: A short chain made up of a few nucleotides, which are the building blocks of DNA and RNA.

Example: Researchers used an oligonucleotide to help identify the genetic sequence.

Definition: Describing an organism that feeds on a limited variety of food sources, particularly a small number of plants, often used in reference to insects.

Example: Some insects are oligophagous, meaning they only eat a few types of plants.

Definition: The practice of eating only a limited variety of foods, often focusing on just a few specific types.

Example: Some animals exhibit oligophagy by feeding exclusively on certain plants.

Definition: Describing a market or industry that is controlled by a small number of companies, leading to limited competition.

Example: The telecommunications industry is often considered oligopolistic due to the few major players that dominate the market.

Definition: A situation in a market where a small number of companies control most of the supply, so that the decisions of one company can influence prices and competition.

Example: In an oligopoly, a few large firms dominate the market, making it difficult for new competitors to enter.

Definition: A type of carbohydrate made up of a few simple sugars linked together.

Example: Oligosaccharides are found in many plants and can be beneficial for digestion.

Definition: Describing a body of water that has low levels of nutrients and high levels of dissolved oxygen, often resulting in clear water and limited plant growth.

Example: The oligotrophic lake is known for its crystal-clear waters and healthy fish population.

Definition: A condition where a person produces less urine than normal.

Example: The doctor diagnosed her with oliguria after noticing her reduced urine output.

Definition: Having a shape that resembles an olive, typically used to describe certain anatomical structures or objects.

Example: The olivary nucleus is an important part of the brainstem.

Definition: A person who specializes in a particular branch of science or knowledge, often indicated by the suffix 'ology'.

Example: An ologist studies various aspects of their specific field, such as biology or geology.