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Diffusion and osmosis both involve the movement of particles from a high concentration to a low concentration, down a concentration gradient. The key difference between the two, is that osmosis concerns t...

Bacteria are used in industry to produce enzymes and other proteins. Because they are prokaryotes and don't have a nucleus, every DNA plasmid that is taken up is translated. You just have to insert the pl...

Transcription begins with DNA helicase unwinding the DNA into two seperate strands.As the DNA unwinds, RNA nucleotides form hydrogen bonds with their complementary base pairs. Uracil binds to adenine, and...

To test for the presence of lipids, you would carry out the emulsion test. To do this, you take the sample and mix it with equal volumes of ethanol and water followed by shaking. A cloudy white emulsion w...

1. They contain photosynthetic pigments to absorb light i.e. chlorophyll a2. They have a large surface area for light absorption3. They contain electron carriers / ATP synthase