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The chromosomes condense and the nuclear membrane breaks down and the nucleolus disappears.

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...

The electrical signal arrives at the first neuron. Neurotransmitters are released into cleft.They diffuse across the cleft and bind to receptors on the 2nd neuron.Electrical impulse is generated in second...

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...