www.BioTopics.co.uk
Site author Richard Steane
The BioTopics website gives access to interactive resource material, developed to support the learning and teaching of Biology at a variety of levels.
Biological Facts and Fallacies
Last modification 04/12/2021
Biological Chemicals and Supplies
Biotopics units
Click here to visit the Biological Topics Contents Page
(currently 251 topics)

Interactivity is key to most of this material. Don't forget to run the cursor over any gaps in the text, coloured text, unlabelled diagrams and other links in the text or margin......
More explanation about these features
is available.

Recent material - mostly AS and A level

. Now covers all the AS and A2 topics .
Background information on these topics
Click on the categories below to expand/contract * most recent
AS Biological Chemicals ... Cells and cellularity
Exchanges with the environment
Genetic information ...
A2 Energy transfers . . Response...
Genetics, Evolution & speciation *

The control of gene expression *
Others Some tabular data updated
More than just H2O - and in 3-D
and Most recent 3-D Molecules
Don't miss these:
The most recent howlers

3-D interactive structures of over 130 Biological molecules
Being carbon-based, Biological molecules deserve better than a flat sheet of paper.
Check out the examples, and the interactive display format.

glucosefromjmol (1K)

MOLECULES IN THE NEWS

molnupiravir_from_jsmol (28K) . . . paxlovidpic
Molnupiravir . . . Paxlovid
howlersHowlers - 35 pages!
(now with a few additions from 2019)
Recently I have been thinking that topics in the news and general media have some connections with topics in this website (scroll for more)


External topic
BioTopics
The exceptional life of Dorothy Crowfoot Hodgkin
A BBC video compilation (in partnership with the Royal Society) - exploring the contribution of scientists to public life, in collaboration with Radio 4's Day of the Scientist (12 October 2021).
Britain faces biodiversity collapse The UK has an average of only 53 percent of its biodiversity left, according to the Natural History Museum.
PCR - the polymerase chain reaction - is rarely out of the news these days.
Covid: False negative Covid test results confirmed at Newbury Showground

Recombinant DNA technology - scroll down to get to PCR
Genetic testing appears to be a common thread in TV crime series, and the forensic science behind it is quite interesting. I enjoyed Code of a Killer a two-part crime thriller telling 'the true story of the world's first crime solved by the science of DNA'.
(Catch up on the ITV Hub - not sure how long this link will work for)

Genetic fingerprinting and DNA profiling is the last chunk of the specification here.
Changes in the coronavirus are a constant source of concern. For example Covid-19: New mutation of Delta variant under close watch in UK from the BBC. 'New Variant' Covid 19 - Changes in the SARS-CoV-2 spike protein caused by mutations is part of a topic on Alteration of DNA base sequences and protein structure

Books

Biological supplies
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Schoolzone Education 5 star award Topmarks Excellent Site Award

External sites which may be of use:
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