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Cell Analogy

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Shwong Bong

on 7 January 2014

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Transcript of Cell Analogy

Cell Analogy

Cell Membrane
in animal cell
The cell membrane acts as a gate for the cell. It allows certain things in through and certain things out (diffusion or transport nutrients like protein).
It also acts as a protective barrier to inside of the cell.
The membrane can 'pinch off' to isolate food particles (vesicles). It is also flexible which helps things go through it.
The cytoplasm is a jelly like fluid that holds all the cells organelles in. It takes up all the leftover space that the organelles didn't.
The mitochondria acts as the powerhouse of the cell; they generate energy for the cell to use (ATP). There are more mitochondria in certain areas than others because they use more energy, for example the brain or muscles.
The vacuole is a sac in the cell that holds all of the waste, food, water and poison.
In an animal cell, it is generally smaller because they have the ability to get water in a lot of other ways, and are generally in an aqueous environment to being with.
Rough ER
The rough endoplasmic reticulum is involved in protein synthesis and transports them to the Golgi Apparatus in vesicles. It is connected to the nucleus.
It is considered 'rough' because the ribosomes (explained later) rest on it.
Smooth ER
The smooth endoplasmic reticulum synthesizes lipids(fats) and transports them to the Golgi Apparatus in vesicles. It is connected to the Rough ER.
It is considered smooth because in microscopy it looks smooth.
Ribosomes are important to the cell because they are the ones that synthesize protein for it. They also transport information to other parts of the cell. They are either found free roaming in the cytoplasm or on the rough ER.

Golgi Apparatus
The Golgi Apparatus acts as the distribution/delivery station of the cell. The lipids and proteins created in the smooth/rough ER are carried over to here, where they are modified, packaged and sorted out for the cell to use.
Vesicles are bound sacs created from either the Golgi Apparatus, or from endocytosis (pinch off of cell membrane then sealing off). Their main purpose is to transport synthesized material created in the cell.
Vesicles can also fuse back into the cell membrane(exocytosis) while releasing their contents outside of the cell.
The nucleus is probably the most notable organelle of the cell.
It contains the genetic material of the cell (DNA), functions to direct/control cell activities,
and contains the nucleolus.
The nucleolus is the most important part of the cell. It is responsible for making ribosomes which move out to the Rough ER to attach on.
It also contains the DNA template of the cell.
Of a prison
By Samuel Wong
Prison Gate
The prison gate can be related to the cell membrane. The prison gate only allows certain things in and out, just like the cell membrane. It also acts as a barrier for the prison, and, in a way, can isolate things coming in with prison buses bringing prisoner in.
The centriole is responsible for cell division and helps provide shape and structure to the cell.
These are only found in animal cells as plants do not actually need them-they have their own ways of organizing themselves.
The floor of the prison is like the cytoplasm because it holds everything in it and fills up the remaining space (in a sense).
The lysosomes main function in a cell is to break down and digest/recycle old cell parts and food.
They are considered suicide bombers or kamikaze pilots because they are actually digest as well when digesting old food parts.
Prison generator,
The powerhouse or generators of the prison can relate to the mitochondria because they both are responsible for giving the cell energy. Without it, the prison wouldn't be able to function, and the cell would simply die since it can't defend or repair itself.
The storage room of the prison can easily relate to the vacuole of a cell because it is used to store supplies like food and water for the prison.
Wardens office
The wardens office is similar to the nucleus in that it controls the prison and holds the head of the prison, the warden himself. He works in here and manages the prisons activities.
The Warden is similar to the nucleolus because he is the one with all the knowledge of the prison and can direct people to do things he asks.
Cafeteria workers
The cafeteria workers are similar to the ribosomes. They are found in the cafeteria (rough ER), and make the food for the prisoners much like the ribosomes make protein for the cell.
They are 'created' in a way by being chosen by the nucleolus: the warden.

Guards w/ prisoners
The guards of the prison are similar to the vesicles in a cell because they isolate the prisoner(s) and are the are the ones that guide the prisoner(s) to other parts in the prison.
The process of endocytosis could be the prison bus bringing criminals into the prison, while exocytosis could be exporting the prisoners back out with the bus.

The hallways of the prison can relate to the smooth ER because that is where the people travel and deliver things. There are also exit sites where the guards(vesicles) can branch off of.
The rough ER and the cafeteria of the prison have similar functions in that they are both involved with creating and distributing those creations amongst the cell/prison. This is also where food(ribosomes) are created for the prisoners.
Storage room
The cell bars in a prison resemble the centriole in that they divide the outside staff like guards and janitors away from the prisoners in their cell. they also give specifically the cell block their shape along with the prison walls.
Death row
The 'death row' room is similar to lysosomes because like the lysosomes, they get rid of the unwanted criminals in the prison just like lysosomes get rid of waste and unwanted invaders.
Cell bars
Mail room
The mail room in a prison acts like the Golgi Apparatus because it sends out messages to the rest of the prison. It also delivers and recieves information from the warden, mostly likely for the prisoners being transported by guards.
Content /4

Relationships /2

Accuracy /4


Some information about organelles included, only some organelles explained

Analogy between topic and cell is only comparable on some relationships

Cell organelle information is somewhat difficult to understand and only slightly accurate

Enough information about organelles included to understand function, only some organelles explained

Analogy between topic and cell is clearly comparable between each other

Cell organelle information is accurate enough to understand basic functions

Minimal information about organelles included, little to no organelles included

Analogy between topic and cell is confusing and hard to understand on all comparisons

Cell organelle information is inaccurate and/or is misinforming

Most information about organelles included to understand function, most organelles explained

Cell organelle information is accurate and informative, functions are understandable

All information about organelles included to understand function, all organelles explained

Cell organelle information is very accurate and well informative, functions are easily understandable
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