Prokaryotic Cell Vs Eukaryotic Cells
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Here's a chart comparing the main differences between prokaryotic and eukaryotic cells:
Feature |
Prokaryotic Cell |
Eukaryotic Cell |
Nucleus |
No true nucleus |
True nucleus, enclosed by a nuclear
membrane |
DNA |
Single, circular chromosome |
Multiple linear chromosomes |
Organelles |
Few, no membrane-bound organelles |
Many, membrane-bound organelles |
Size |
Smaller, typically 1-10 micrometers |
Larger, typically 10-100 micrometers |
Reproduction |
Asexual only |
Sexual and asexual |
Ribosomes |
Smaller |
Larger |
Cell wall |
Present in many, composed of
peptidoglycan |
Present in some, composed of cellulose or
chitin |
Movement |
Flagella made of flagellin |
Flagella or cilia made of microtubules |
Examples |
Bacteria and archaea |
Animals, plants, fungi, and protists |
Prokaryotes and Eukaryotes are two broad categories of living organisms that differ in their structural and functional characteristics.
Here is a detailed explanation of the differences between the two:
Prokaryotes:
Prokaryotes are unicellular organisms that
lack distinct nucleus and membrane-bound organelles. The genetic material in
prokaryotic cells is found in the form of a single circular DNA molecule, which
is not enclosed within a nucleus. Prokaryotes are generally smaller in size
than eukaryotes and have a simpler structure. They are divided into two main
groups: bacteria and archaea.
Structural features:
Prokaryotic cells have a cell membrane, which encloses the cytoplasm and other internal structures.
The cytoplasm of prokaryotes contains
ribosomes, which are responsible for protein synthesis.
The cell wall of prokaryotes is made up of
peptidoglycan, a complex polymer that provides structural support to the cell.
Some prokaryotes have flagella, which are
used for movement.
Functional features:
Prokaryotes carry out all metabolic processes within a single cell.
Prokaryotes reproduce through asexual
reproduction, which involves the division of a single cell into two identical
daughter cells.
Prokaryotes have the ability to exchange
genetic material with other cells through a process called horizontal gene
transfer.
Prokaryotes are found in a wide range of
habitats, including soil, water, and the human body.
Eukaryotes:
Eukaryotes are complex, multicellular organisms
that have distinct nucleus and membrane-bound organelles. Eukaryotic cells
are larger in size than prokaryotic cells and have a more complex structure.
Eukaryotes are divided into four main groups: animals, plants, fungi, and
protists.
Structural features:
Eukaryotic cells have a distinct nucleus, which houses the genetic material in the form of multiple linear chromosomes.
The cytoplasm of eukaryotic cells contains
ribosomes, which are responsible for protein synthesis.
Eukaryotic cells are surrounded by a plasma
membrane, which separates the internal environment of the cell from the
external environment.
Functional features:
Eukaryotes carry out metabolic processes through a variety of specialized cells, tissues, and organs.
Eukaryotes reproduce through both asexual
and sexual reproduction, depending on the species.
Eukaryotes have a complex system of growth,
development, and differentiation, which allows them to carry out a wide range
of specialized functions.
Eukaryotes are found in a wide range of
habitats, including soil, water, and the human body.
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