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A revision document of the full couse of unit 1
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BTEC Applied ScienceUnit 1 Revision Guide
1
,How to use this guide EXAM DATE:
Monday 5th June 2016, 9:00am, 1h 3
This revision guide is divided into 3 sections; Biology, Chemistry and Physics. The contents page will take you
to your chosen topic. To return to the contents page simply click the ‘home’ icon on the bottom right of the
page.
When you have completed your revision for a topic, use the ‘secure, unsure, weak’ checkbox in
the top right hand corner to record your progress. This will allow you to return to topics which
need extra work.
Each revision page has some possible exam questions listed. When you have revised a topic you should complete these
questions. Remember, practice makes perfect!
This guide is designed to help with your revision, it is not meant to replace your notes!
2
, B P
STRUCTURE AND FUNCTION OF Revised Revised
WAVES IN COMMUNICATION
CELLS AND TISSUE Y/N
Cell theory 4 Waves 66
Microscopy 6 C Transverse and longi- 68
tudinal
Animal cells 8
Diffraction gratings 70-72
Plant cells 10 Revised
PERIODICITY AND PROPERTIES OF
Stationary waves reso- 74
ELEMENTS Y/N
Bacteria cells 12 nance
Electronic structure 32
Gram staining 14 Principles of fibre op- 76
Ionic bonding 34 tics
Specialised cells 16-18
Covalent bonding 36 Optical fibres 78-80
Epithelial tissue 20
Metallic bonding 38 Electromagnetic waves 82
Muscle tissue 22-24
Intermolecular forces 40
Nervous tissue 26-30
Quantises used in 42-50
chemistry
The Periodic table 52 Keep track of your revision by marking off topics you have covered and high- lighting ones you ha
Physical properties of 54-60
elements
If using this document on a computer, click the page number to ring you to your chosen topic.
Chemical properties of 62-64
elements
3
,B CELL THEORY
SECURE
The cell is the fundamental unit of life. All organisms, whatever their type or size, are composed of cells. The modern theory of cellular organisation states:-
• All living things are composed of cells and cell products.
• New cells are formed only by the division of pre-existing cells
• The cell contains inherited information (genes), which is used as instructions for growth, functioning and development.
• The cell is the functioning unit of life; the metabolic reactions of life take place within the cells.
Eukaryotic Prokaryotic MY
NOTES:
Eukaryotic cells make up multi- Prokaryotic cells are single-
cellular organisms such as celled organisms. They are sim-
plants and animals. They are ple structures and do not have
Robert Hooke
complex cells with a nucleus a nucleus or any membrane-
and membrane-bound orga- bound organelles.
nelles.
Plants and animals Bacteria
Outline the similarities and
1831: 1852: 1 differences
Nucleus observed Evidence for the origin of new cells
between eukaryotic and prokaryotic
1665:
Robert Brown an Robert Remak observed cell division in
Robert Hooke English botanist was animal cells. His findings were not accepted 2 Briefly outline how cell theory has
first described the first to observe and at the time, but in 1855 Rudolf Virchow de-
cells describe the nucleus in published the findings as his own to show
a plant cell. new cells form from existing ones.
1674–1683:
1860:
1674–1683:
The first living cell was
Spontaneous generation disproved
observed Universal cell theory
Louis Pasteur demonstrated that
Anton van Leeuwenhoek Matthias Schleiden suggested that all plant
bacteria will only grow in sterile
was the first person to material is composed of cells. Jan Purkyne
nutrient broth after it has been ex-
observe bacteria and observed that animal tissue is composed of
posed to air. This disproved the theory
protoctista from pond cells and the structure is similar to plant tissue.
of spontaneous generation of cells.
water samples, after The scientist credited for the Universal Cell
developing powerful glass Theory is Theodor Schwann, a German
lenses. physiologist. He proposed that ‘all living things
are composed of
cells.
4
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