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Active transport is the movement of molecules or ions against their concentration gradient, using energy in the form of ATP, across a pl...
The DNA from PCR is placed into wells of agarose gel and a buffer solution is poured over it. An electrical current is passed through the gel due to the conduction of the buffer solution. The DNA fragment...
DNA is a polymer made up from monomer units. The monomers that make up a DNA molecule are called nucleotides. Nuceleotides are made up of a nucelic acid (adenine/guanine/thymine/cytosol); a five carbon...
Enzymes only have one active site which is only complementary to one specific substrate.
Conveniently, there are roughly 6 main stages in the process of eutrophication, so if you can memorise each one, step by step, you are sure to scoring full marks!
1) Algae blooms block li...
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