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The polymerase chain reaction (PCR) is basically a series of three-stage cycles, each stage occurring at a different temperature. The three stages are denaturation, annealing and extension.Denaturation ta...

Proteins are made up of the primary structure, secondary structure and tertiary structure. Some proteins may also have a quaternary structure. The primary structure is the specific sequence of amino acids...

Mitochondria: (statements should be comparative)Has a double membrane;No cell wall;No capsule;No flagellum/ pili;No mesosome;No plasmids

Facilitated diffusion involves the use of channel and carrier proteins to assist the diffusion of molecules or ions down a concentration gradient, as this is a passive process it does not require ATP (the...

Excess nitrates and phosphates are water soluble and enter rivers/lakes/waterway due to leaching.Algae in the water use the increased level of ions for growth. This is called Algal bloom.Build up of algae...