Chemistry Jokes

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“Don’t trust atoms. They make up everything!” Mr Deny said.
At first we didn’t get that it was a joke, but after some explanation, we finally did. Then he asked us to come up with some other chemistry jokes that we know about. (more…)

Heartbeat

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The closing of the mitral and tricuspid valves (known together as the atrioventricular valves) at the beginning of ventricular systole cause the first part (the lubb) of the “lubb-dubb” sound made by the heart as it beats. (more…)

Pollination and Fertilisation

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When pollen grains land on the stigma of a flower of the correct species they germinate. A pollen tube grows through the tissues of the flower until it reaches an ovule inside the ovary. The nucleus of the pollen grain (the male gamete) then passes along the pollen tube and joins with the nucleus of the ovule (the female gamete). This process is called fertilisation. (more…)

Photosynthesis

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Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the “fuel” used by all living things. (more…)