cell theory

Thân thiện

A biology textbook diagram illustrates the three principles of cell theory.

Definition

Noun: 1. The fundamental biological theory: A foundational concept in biology stating that all living organisms are composed of one or more cells, the cell is the basic structural and functional unit of life, and all cells arise from pre-existing cells. This theory unified the understanding of living things.

Usage

The term "cell theory" is used exclusively as a noun to refer to this central biological principle. * The cell theory is a cornerstone of modern biology. * Understanding the cell theory is essential for studying any life science. * The development of the microscope was crucial for the formulation of the cell theory.

Advanced Usage

• "To adhere to/support the cell theory": To accept or provide evidence for this fundamental concept.
  • All contemporary biological research adheres to the principles of the cell theory.
• "The tenets/postulates of the cell theory": Refers to the specific statements that constitute the theory.
  • The first tenet of the cell theory states that all living things are made of cells.

Variants and Related Words

• Cell (n): The basic unit of life, as defined by the theory.
• Cellular (adj): Relating to or consisting of cells.
  • Cellular biology focuses on processes at the cell level.
• Theory (n): A well-substantiated explanation of some aspect of the natural world, based on a body of facts.

Synonyms

• Cell doctrine

Related Phrases

• Unified cell theory: The modern extension of the classical theory, incorporating the understanding that all cells contain hereditary information (DNA) and have a similar basic chemical composition.

Học thuật

Noun

1. (biology) the theory that cells form the fundamental structural and functional units of all living organisms; proposed in 1838 by Matthias Schleiden and by Theodor Schwann

Từ đồng nghĩa

• cell doctrine