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Biology Factsheet: 109. Eyes
This Factsheet describes: • the structure of a mammalian eye and the functions of its parts; • the iris and accommodation reflexes; • the structure of the retina, b...
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Biology Factsheet: 110. Genetic Disease in Humans
This Factsheet covers the following topics: how a change in the base sequence of a gene can result in genetic disease; descriptions of specific diseases caused by gene mutation, for ex...
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Biology Factsheet: 111. Plant Growth Substances
The plant growth substances listed on specifications are auxins, gibberellins, cytokins, abscisic acid and ethene. You are expected to know: • The main actions of these substances i...
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Biology Factsheet: 112. Monoclonal Antibodies
This Factsheet describes: • the production of monoclonal antibodies. • the uses of monoclonal antibodies in pregnancy testing and the targeting of drugs to specific substances ...
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Biology Factsheet: 113. Adaptations of Carnivores & Herbivores to their Diet
The main adaptations described in this Factsheet are: - dentition in a named herbivore and a named carnivore. - differences in the digestive systems of herbivores and carnivores wi...
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Biology Factsheet: 114. Practical Techniques Microbiology II: Measuring Growth
This Factsheet covers the techniques involved in measuring the growth of Bacteria and otherunicellularorganisms by: • Haemocytometry - using a microscope counting chamber to count the actu...
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Biology Factsheet: 115. Answering Examination Questions:Genetics
This Factsheet covers all information needed on answering examination questions on genetics - When answering questions on Mendelian genetics candidates frequently infringe Mendel's laws. - Students ...
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Biology Factsheet: 116. Transport Mechanisms in Cells
This Factsheet will describe transport mechanisms which occur inside cells and their functions within the cells. (Similar mechanisms also operate in the cell surface membrane). The mechanisms are:&nbs...
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Biology Factsheet: 117. Fertilisation and Seed Production in Flowering Plants
This Factsheet describes the events following pollination in dicotyledonous plants up to the formation of seeds. Pollination was described in Factsheet 96....
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Biology Factsheet: 118. Germination
Germination is the formation of a self-supporting seedling from an embryo within a seed....
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