Genes – the units of inheritance: conclusion (10/10)
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Genes – the units of inheritance: conclusion (10/10)

That’s just about it. We’ve looked at the structure of DNA,
how DNA is replicated and how the information in DNA
is utilised to make proteins. But underneath all of that
I think there’s one principle that really
helps tie things together. And that’s the principle
of base pairing. We’ve seen how base pairing helps
explain replication of DNA. It also helps explain transcription
to make messenger RNA and translation of messenger RNA
to make proteins. And of course base pairing
is also important in explaining why the DNA molecule
is a double helix. It’s quite a remarkable molecule and one that provides a wonderful
example of a connection between structure and function. There’s also a clever solution to the
three problems that we set earlier through inherited material. Stability, accuracy of copying and concerning information. Clever? Well, if molecules did have brains,
this one would be Einstein.

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