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-it is a disease-causing microorganism -it is known to be infectious -examples: bacteria, fungi, viruses
Primary structure is the order in which what amino acid is bound the other with a peptide bond. This is coded for by the order of codons in a gene.
Secondary structure is how the chains on amino ac...
The presence of calcium ions causes tropnonin to detach from tropomyosin-this exposes the mysoin head binding sites. Myosin head groups attach to the surrounding actin filaments forming a cross bridge....
The SAN is the pacemaker, situated at the top of the right atrium. The SAN initiates a wave of excitation at regular intervals. The wave of excitation quickly travels over the walls of both atria. As i...
Living things differ from non-living things based on certain characteristics. There are 7 characteristics that identify living things and these can be remembered with the acronym MRS GREN.
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