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An animal cell is a eukaryotic cell that lacks a cell wall, and it is enclosed by the plasma membrane. The cell organelles are enclosed by the plasma membrane including the cell nucleus. Unlike the animal cell lacking the cell wall, plant cells have a cell wall.
Animal cell size and shape
List of Animal cell organelles
Animal cell structureFigure: Diagram of Animal Cell, created with biorender.comThe animal cell is made up of several structural organelles enclosed in the plasma membrane, that enable it to function properly, eliciting mechanisms that benefit the host (animal). The working together of all cells gives an animal its ability to move, to reproduce, to respond to stimuli, to digest and absorb food, etc. Generally, the combined effort by all animal cells is what enables the normal functioning of the body. Animal Cell Free WorksheetAnswer key Animal cell organellesThe major cell organelles include: Plasma membrane (Cell membrane)Definition of Plasma membrane (Cell membrane)It is a thin semipermeable protein-membrane layer that surrounds an animal cell. Figure: Diagram of Plasma membrane (Cell membrane), created with biorender.comStructure of Plasma membrane (Cell membrane)
Functions of Plasma membrane (Cell membrane)
NucleusDefinition of Nucleus
Figure: Diagram of Nucleus, created with biorender.comStructure of Nucleus
Functions of Nucleus
CytoplasmDefinition of Cytoplasm
Figure: Diagram of Cytoplasm, created with biorender.comMitochondriaDefinition of Mitochondria
Figure: Diagram of Mitochondria, created with biorender.comStructure of Mitochondria
Functions of Mitochondria
RibosomesDefinition of Ribosomes
Figure: Diagram of Ribosome, created with biorender.comStructure of Ribosomes
Functions of Ribosomes
Endoplasmic Reticulum (ER)Structure of Endoplasmic Reticulum (ER)
Figure: Diagram of Endoplasmic Reticulum (ER), created with biorender.comFunctions of Endoplasmic Reticulum (ER)
The variation in physical and functional characteristics differentiate the ER into two types i.e Rough endoplasmic reticulum and Smooth endoplasmic reticulum. Types of Endoplasmic Reticulum
Golgi apparatus (Golgi bodies/Golgi complex)Structure of Golgi apparatus (Golgi bodies)
Figure: 2D and 3D Diagram of Golgi apparatus (Golgi bodies or Golgi complex), created with biorender.comFunctions of Golgi apparatus (Golgi bodies)
LysosomesIt is also known as cell vesicles; Lysosomes were discovered by Christian Rene de Duve, a Belgian cytologist in the 1950s. Figure: 2D and 3D Diagram of Lysosomes, created with biorender.comStructure of Lysosomes
Functions of Lysosomes
CytoskeletonStructure of Cytoskeleton
Figure: Diagram of Cytoskeleton, created with biorender.comFunctions of Cytoskeleton
MicrotubulesStructure of Microtubules
Figure: Diagram of Microtubules, created with biorender.comFunctions of Microtubules
CentriolesThis is distinctly found in the animal cell, which has the ability to replicate or make copies by itself. It is made up of 9 microtubule bundles and their primary function is to assist in organizing the cell division process. Figure: Diagram of Centrioles, created with biorender.comStructure of Centrioles
Functions of Centrioles
PeroxisomesThese are tiny bodies found in the cytoplasm. Figure: Diagram of Peroxisome, created with biorender.comStructure of Peroxisomes
Functions of Peroxisomes
Cilia and FlagellaThese are locomotive projections found on the surface of the cell. Figure: Diagram of Cilia and Flagella, created with biorender.comStructure of Cilia and flagella
Functions of Cilia and flagella
EndosomeThese are vesicles bound by membranes and formed by a mechanism of endocytosis. They are found in the cell cytoplasm. Figure: Diagram of Endosomes, created with biorender.comStructure of Endosome
Functions of Endosome
VacuolesThese are fluid-filled cell organelles enclosed by a membrane. Figure: Diagram of Vacuole, created with biorender.comStructure of Vacuoles
Functions of Vacuoles
MicrovilliThese are surface protrusions found in the intestinal lining, on egg cell surfaces, and on white blood cells. Figure: Diagram of Microvilli, created with biorender.comStructure of Microvilli
Functions of Microvilli
References and Sources
What are the 15 organelles in animal cells?1) Nucleolus; 2) Nucleus; 3) Ribosome (dots); 4) Vesicle; 5) Rough endoplasmic reticulum (RER); 6) Golgi apparatus; 7) Cytoskeleton; 8) Smooth endoplasmic reticulum (SER); 9) Mitochondrion; 10) Vacuole; 11) Cytosol (It's not an organelle.
What are the 13 parts of a plant cell?The parts of a plant cell and plant cell components, which will be discussed, are plant cell wall, plant cell membrane, smooth endoplasmic reticulum, ribosomes, rough endoplasmic reticulum, vacuole, nucleus, peroxisomes, Golgi apparatus, mitochondria, cytoplasm, cytoskeleton, and plastids.
How many organelles are in animal cells?Eukaryotic animal cells consist of 6 major organelles (and many minor ones).
What are the functions of the 13 organelles?nucleus. contains the cell's DNA and is the control center of the cell.. endoplasmic reticulum. transports materials within cell; process lipids.. mitochondria. breaks down food to release energy for the cell.. cell membrane. controls what goes in and out of the cell.. ribosome. make proteins.. cytoplasm. ... . golgi body. ... . lysosome.. |