What is a simple definition of cell?
What is a cell? A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Most cells have one or more nuclei and other organelles that carry out a variety of tasks.
What is the best cell definition?
noun. plural host cells. : a living cell invaded by or capable of being invaded by an infectious agent (such as a bacterium or a virus) This drug integrates with the virus in a way that prevents it from attaching to host cells, and prevents viral replication of cells already infected.
What is a simple cell easy definition?
A simple cell in the primary visual cortex is a cell that responds primarily to oriented edges and gratings (bars of particular orientations). These cells were discovered by Torsten Wiesel and David Hubel in the late 1950s.
What is the definition of cell biology?
Cell biology is the study of cell structure and function, and it revolves around the concept that the cell is the fundamental unit of life. Focusing on the cell permits a detailed understanding of the tissues and organisms that cells compose.
What is cell for kids?
The cell is the smallest unit with the basic properties of life. Some tiny organisms, such as bacteria and yeast, consist of only one cell. Large plants and animals have many billions of cells. Human beings are made up of more than 75 trillion cells. The study of cells is a branch of biology.
Why is it called a cell?
Robert Hooke suggested the name ‘cell’ in 1665, from the Latin cella meaning storeroom or chamber, after using a very early microscope to look at a piece of cork. It is also said that he thought that the rectangular chambers looked like the cells in some monasteries.
What is cell class 5?
“A cell is defined as the smallest, basic unit of life that is responsible for all of life’s processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.
What is the definition of a cell and its type?
A biological cell is a membrane-bound structure that occurs as a functional independent unit of life (such as in unicellular organisms, e.g. bacteria, protozoa, etc.), or as the structural or fundamental unit in a biological tissue specialized to perform a particular function in multicellular organisms (e.g. plants and …
What is called cell in physics?
Definition: A cell is a single electrical energy source that uses chemical reactions to produce a current. An electrical cell is an ‘electrical power supply’. It converts stored chemical energy into electrical potential energy. The cell comprises two electrodes and an electrolyte.
What is simple cell class 8?
A simple cell is a cell having two metallic plates dipped in an acid solution to generate electricity.
What is cell in one words?
The cell (from Latin cella, meaning small room) is the basic structural, functional, and biological unit of all known living organisms. Cells are the smallest unit of life that can replicate independently, and are often called the building blocks of life.
Who invented cell?
The cell was first discovered and named by ROBERT HOOKE in 1665.