연구하다

A unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring. It consists of DNA sequences.

The degree of compactness of a substance. In social science, it often refers to population density—the number of people living in a specific area.

The structure or process by which something works or is produced; a mechanism.

The process by which genetic information is passed on from parents to their offspring; heredity.

To measure the size, quantity, or degree of something using a specific tool or standard.

A numerical scale used to compare variables with one another or with some reference number. Vital for IELTS Writing Task 1 to describe data trends.

A specific quantity or amount used as a standard of measurement. It can also refer to a basic component or group within a larger organization.

To perform a scientific test or investigation to discover new information or test a hypothesis. It involves observing effects under controlled conditions.

The individual parts or elements that make up a whole system, object, or concept.

The innate characteristics, properties, or nature of a substance, person, or phenomenon. It describes how something behaves or its fundamental makeup.