A couple of revision videos if you prefer animation to static text. You require a slightly longer attention span than that of a goldfish for each video.
A tale of life and death in the garden as aphids and lady birds battle for survival in the hot summer sun on their swan plant universe. Resources are at a premium. The swan plant starts the food chain and it all ends horribly for aphids. Aphids, ladybirds, ladybird larvae and caterpillars are unaffected by […]
Chemical warfare in the garden, Early summer and dark chemical processes are at work in the bright sunlight. Swan plants are producing and stockpiling deadly molecules in their sap and leaves. A chemical defence system designed to kill insects foraging for food. The main components of this molecular arsenal are cardenolide glycosides, steroids with an […]
What have we done so far? In the first of three posts about naming and drawing structures for organic molecules we classified hydrocarbons as either saturated or unsaturated. We learned how to systematically name alkanes, a family of hydrocarbons with single covalent bonds only, Formulae in organic chemistry, how much information? There are three main […]