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Page 1

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Application booklet
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Page 2

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Structure of DNA ­ Reference pages 3-5 knowledge booklet
ACTIVITY 1

Read the information on page 3 about the structure of DNA in silence and
highlight all the key scientific words. Pick out the relevant keyword cards from
your envelope.


Part of Confidence
Specification


Identifying organelles

Describing function of
organelles…

Page 3

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Cell structure
The cell is the basic building block of the body and it is therefore vital that we know
how the cell functions to help treat disease.
The cell itself is built up of different organelles (little organs) that provide certain
functions for the cell.
Label the following Eukaryotic…

Page 4

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Complete the following table with the organelle shown and
the function of that organelle.


Organelle Photomicrograph Function
Nucleus Contains DNA




Nucleolus Responsible for
producing
ribosomes




Nuclear Protect the DNA
envelope from damage in the
cytoplasm




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Rough ER Synthesis of
proteins



Smooth ER Lipid and
carbohydrate
synthesis


Golgi Modification and
Apparatus packaging of
proteins into
vesicles

Ribosomes Synthesis of
proteins



Mitochondri Provide energy for
a the cell as ATP
(respiration)

Vesicles and Storage and
lysosomes transport of
materials in the cell




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Chloroplast Photosynthesis
Contains chlorophyll
for the absorption of
light to create glucose

Cell selectively
Membrane permeable only lets
certain molecules in

Cell wall Allows the cells to
maintain their
shape and resist
osmotic lysis.
Flagellum Enable motility


Cilia
Assist movement of
fluid or act as a
sensory organ



Prokaryote Cells…

Page 7

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Complete the table below-
Feature Prokaryotic Eukaryotic
Nucleus Not present Present
DNA Circular Linear
DNA organisation Proteins fold and Associated with
condense proteins called
histones
Extra Circular DNA Only present in
Chromosomal DNA called plasmids certain organelles
Mitochondria/
chloroplasts
Organelles Non membrane Membrane bound
bound and
non-membrane
bound
Cell Wall…

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Animals= absent
Ribosomes Smaller 70s Larger 80s
Cytoskeleton Present Present and more
complicated
Reproduction Binary fission Asexual or sexual
Cell Type unicellular Unicellular and
multicellular
Cell Surface present present
membrane




Protein Synthesis and transport in Cells
Reference Pages
Activity:
1. In groups of 2/3, identify the organelles involved in the…

Page 9

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This organelle
uses the code
on the mRNA
to join amino
acids
together in
the correct
order to
make a
protein.




This organelle modifies and transports the newly formed protein.




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Page 10

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This




organelle further modifies the the protein and packages it into labeled vesicles




This organelle
controls
movement into
and out of the
cell.




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