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Starting in the right atrium, the sinoatrial node (SAN) will send a signal to contract both atria, opening the atrioventricular valves (tricuspidand bicuspid/mitral) and forcing blood in to both ventricle...
During Transcription, DNA is initially un-coiled by the enzyme DNA helicase to reveal 2x single nucleotide chains. These are read by RNA polymerase from the 3' to 5' end of the DNA. mRNA is produced here,...
Interphase, Prophase 1, Metaphase 1, Anaphase 1, Telophase 2, Prophase 2, Metaphase 2, Anaphase 2, Telophase 2
Blood enters the heart from the body through a large vein called the Vena Cava. This blood flows freely into the right side of the heart into the right Atrium. From here the blood will pass through the Tr...
The two main gonadotrophins in females are FSH (follcile stimulating hormone) and LH (luteinising hormone). FSH is primarily responsible for the recruitment and growth of follicles in the ovary during the...
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