Cells By richard zhang

Lab Reports

Cell parts

Example of a cell

Nucleus = City Hall

The nucleus controls the cell activities and contains the nucleolus and the DNA which dictates cell activities and provides regulations to the cell. This is functionally equivalent to the City Hall which is responsible for execution of the law (law book, chromosomes).

Nuclear Envelope

is a highly regulated membrane barrier that separates the nucleus from the cytoplasm in eukaryotic cells. It contains a large number of different proteins that have been implicated in chromatin organization and gene regulation.

Nuclear Pore

The nuclear pore is a protein-lined channel in the nuclear envelope that regulates the transportation of molecules between the nucleus and the cytoplasm.

Nucleolus = Mayor's office

The nucleolus controls the executive activity within the nucleus of the cell and contains the chromosomes and the DNA of the cell. This can be compared to the mayor of the city who controls and has the power to veto the rest of the politicians and executives in the City Hall.

Cell membrane = Border control

The cell membrane controls all input-output interactions of the cell and dictates what particles may enter and what particles may exit through a process called selective permeability. This can be compared to border control officials which dictate which people are authorized to enter or exit the city.

Cell wall = Political city boundary

The cell wall provides the city with a solid framework that holds the cell together and defines what part of the cell is inside and what part is outside. Surrounds the cell membrane and holds it together. This can be compared to the political city boundary which surround border control officials and hold the "city" together.

Mitochondria = Coal Power Plant

The mitochondria are responsible for combining sugars and oxygen particles to form energy through a process called ATP. ATP provides energy to the cell which is either used up on the spot or stored in the vacuole for later use. This can be functionally equal to a coal power plant which utilizes coal (sugar) and oxygen (oxygen) to provide energy to the city. Both mitochondria and coal power plants produce heat in the process.

Lysosomes = Recycling center/Landfill

The lysomes in the cells destroy worn out part of the cell, dispose of cell wastes and when the cell itself is tired enough it will destory the whole cell. This can be compared to a landfill which disposes of the city's waste or a recycling center which recycles the city's waste.

Ribosomes = Boxes of bricks

Ribosomes are one of the major particle groups that are transported on goigi apparatuses which in turn are transported around the cell with the endoplasmic reticulum, which are one of the major building blocks of the city. This can be compared to boxes which are groups of bricks are are the major building blocks of the city.

Goigi apparatuses = Trucks

Goigi apparatuses are small “truck-like” carriers which move particles and molecules for the cell, acting as transportation for the cell in the endoplasmic recticulum. Trucks are an excellent example of this in real life as trucks move materials and goods around the town and provide the medium for input and output to the cell (sending goods out and in and out of the cell).

Vacuole = City Food Bank

The function of a vacuole in both plants and animal cells are to store energy for the cell and release energy when the cell needs it. A close analogy of this would be the city food bank, which stores food for anyone in the city who needs it and distributes it to anyone who needs food.

Endoplasmic recticulum = Road network.

The endoplasmic recticulum is a complex membrane-based network of sac-like structures held together in the cytoplasm which transport molecules and particles throughout the cell using “truck-like” carriers called Goigi apparatuses. The best analogy for this would be the road network, which transports motor vehicles and humans around the town.


a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.

Cytoplasm = Open land

The cytoplasm is a watery liquid that surrounds the cell. It can be compared open spaces in the city which haven't been developed yet.


Parts of a Cell. (n.d.). Retrieved January 23, 2017, from http://www.odec.ca/projects/2010/wangxe2/parts.htm

Animal cell. (n.d.). Retrieved January 23, 2017, from http://www.protopage.com/rachelb.group#the_cell

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