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WHAT IS A CELL?
The cell is the basic biological, functional and structural unit of any living being and at the same time, the cell is the smallest organism of all, capable of performing the functions of nutrition, relationship and reproduction.
The cell is the basic biological, functional and structural unit of any living being and at the same time, the cell is the smallest organism of all, capable of performing the functions of nutrition, relationship and reproduction.
CELL TYPES
Eukaryotes that contain a well-defined cell nucleus and Prokaryotes that lack it. In general, Eukaryotes are part of large multicellular organisms such as animals, plants or humans, while Prokaryotes are a unique part of unicellular organisms such as bacteria or Arches
Eukaryotes that contain a well-defined cell nucleus and Prokaryotes that lack it. In general, Eukaryotes are part of large multicellular organisms such as animals, plants or humans, while Prokaryotes are a unique part of unicellular organisms such as bacteria or Arches
PROKARYOTIC CELLS
They are the smallest organisms and their size is between 1-5 micrometers.
They do not have a defined nucleus and therefore no nuclear membrane.
DNA is found on a single normally circular chromosome located in the cytoplasm.
They are the smallest organisms and their size is between 1-5 micrometers.
They do not have a defined nucleus and therefore no nuclear membrane.
DNA is found on a single normally circular chromosome located in the cytoplasm.
EUKARYOTIC CELLS.
Eukaryotic cells usually have a complex multicellular organization forming higher organisms.
They have a nucleus differentiated from its other parts, covered with a double nuclear membrane.
Their DNA is in linear molecules and they have several chromosomes.
Eukaryotic cells usually have a complex multicellular organization forming higher organisms.
They have a nucleus differentiated from its other parts, covered with a double nuclear membrane.
Their DNA is in linear molecules and they have several chromosomes.
CELL HISTORY
The history of the study of the cell begins with Antonie van Leeuwenhoek considered the father of Microbiology and creator of the Microscope who also made the first sketches of a protozoan observed in rainwater.
The history of the study of the cell begins with Antonie van Leeuwenhoek considered the father of Microbiology and creator of the Microscope who also made the first sketches of a protozoan observed in rainwater.
However, the word "cell" refers to the spaces that Hooke observed in a sheet of cork, realizing their resemblance to the cells of honeycombs. Although he is recognized as the discoverer of the cell, Hooke was unable to delve beyond the cursory description.
Functions of a cell
Structural functions: Build tissues
Secretory functions: Generate substances essential for life.
Metabolic functions: Break down nutrients or transport them throughout the body.
Structural functions: Build tissues
Secretory functions: Generate substances essential for life.
Metabolic functions: Break down nutrients or transport them throughout the body.
Defensive functions: Fight diseases.
Control functions: Coordinate the enormous diversity of processes in the body.
Reproductive functions: Combine with other sex cells from another organism of the same.
Control functions: Coordinate the enormous diversity of processes in the body.
Reproductive functions: Combine with other sex cells from another organism of the same.
IN CONCLUSION
The cell is said to be the functional unit of all living beings because all of them are capable of carrying out the functions of nutrition and reproduction.
The cell is said to be the structural unit of living beings because all organisms are made up of cells
The cell is said to be the functional unit of all living beings because all of them are capable of carrying out the functions of nutrition and reproduction.
The cell is said to be the structural unit of living beings because all organisms are made up of cells
