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Copy of Cell Project

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by

Jessica Wong

on 11 March 2013

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Transcript of Copy of Cell Project

Cell Wall While the plant cell has a cell membrane for protection, the cell wall is tougher and more rigid, thus providing a stronger layer for protection and support.

The main function of the cell wall is to provide structure to the plant cell; therefore, preventing the plant cell from collapsing. Lets Start With... We are comparing a plant cell... Chloroplasts are green, double membrane organelles composed of inner-connected, flattened, and membranous sacs called thylakoids. These structures give plants
its green colour and are the site of photosynthetic light reactions where
its main function is to absorb light for photosynthesis (food production). Golgi Apparatus The golgi body/golgi apparatus is
composed of several membranous
tubes that look like a stack of
flattened balloons.
Its purpose is to process and
package the proteins and lipids
after they are synthesized. It also
transports them in and outside of
the cell. Using Analogies to Relate Cells
to Everyday Things Plant
Cell to... A Starbucks Cafe! The Nucleus The nucleus is an organelle known as the control centre. It contains the DNA and controls the cell’s growth and reproduction. The nuclear envelope surrounds the nucleus from the cytoplasm. The chromosomes are also contained in the nucleus.
While the nucleus provides a site for genetic transcription, its main function is to control gene expression and mediate the replication of DNA during the cycle. Starbucks Manager A manager is a
reflection of the
nucleus because
it controls and over
looks activities
happening in the store.
Managers also detect
and help to solve
problems that
occur inside the
store. Store Walls The cell wall is
like the walls of
a Starbucks store
because like the
cell wall, it
provides structure
as well as
protection for
people inside. Chloroplast Coffee Counter The chloroplasts are the coffee counters
in Starbucks since it is where the drinks or food are prepared and served for customers to consume and gain energy from. Drink Tray The drink tray resembles the Golgi
Apparatus in Starbucks because the
drink trays are used for packaging
and storing multiple drinks at one
time for easy transportation. Vacuole Vacuoles are large membrane-bound compartments in eukaryotic cells. Larger in plants, the vacuole exports unwanted/harmful material inside the cell. It also acts as storage for waste, nutrients, and water. In plants, the vacuole controls the pressure inside a cell. Storage Room Storage rooms are like vacuoles as it
is used for storing material that may be unwanted at the time as well as items (coffee beans, cups, trays, etc.) that may be needed
later. It may also contain material that will be later exported or thrown out. Cell Membrane The cell membrane is a semi-
permeable membrane that
surrounds the cell, holding its
contents within. Its function
is to regulate what enters
and exits the cell. The
membrane is made of lipids
and proteins. Baristas Baristas at Starbucks can be considered as a
cell membrane
because they
control what
comes in through
the counter
(money, for example) and what exits (change, coffee, food). Also,
Baristas look after who or what
may enter or exit the
store. Mitochondria Mitochondria are double membrane sac-like organelles found in the cytoplasm. Their shapes differ from each other, some may be spheres, oval or thread like. Mitochondria are divided into 2 compartments, the inner compartment and outer compartment.
The main function of the mitochondria is to produce ATP energy for the cell (powerhouse). Fuse Box A fuse box is like
the mitochondria of
Starbucks because it produces the energy (electricity) to power
the store and allow
for all the necessary
activities to take place. Ribosomes Ribosomes are considered as "protein factories". Suspended in the cytoplasm or attached to an Endoplasmic Reticulum, these organelles consist of RNA and protein. Their function is to synthesize and assemble proteins. Ribosomes have 2 sub-units that help accomplish this task. Coffee Machines through a specific process. Coffee Machines
represent Ribosomes because they
synthesize and
"assemble" coffee.
It is here that the
coffee is made Endoplasmic Reticulum The Endoplasmic reticulum are folded
membranes, tubules and flattened
sacs. There are two types: Rough and Smooth. Although they both serve as
an internal transportation network,
the Rough ER manufactures proteins, and stores synthesized materials. The Smooth ER synthesizes and packages phospholipids, breaks down glycogen, and detoxifies. Condiment
Station The condiment table at Starbucks resembles an Endoplamsic Reticulum because "synthesized" materials are stored here and it allows for modification to occur. Chromoplast Chromoplasts are membrane-bound organelles found in plant cells which function as pigment synthesizers and act as a storage house of non-green pigments. They are responsible for color of fruits and flowers. This is important because it makes the plant look attractive to insects and animals (which will help them pollinate). Decor The decor inside Starbucks is an analogy for chromoplasts because they are also colourful and are also used to attract customers inside a shop; visual appearance and esthetics. By: Melodie and Jessica
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