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Inside the sarcomere, the myosin filament and actin filament slide over eachother making the sarcomere shorter- at rest there is no cross bridge, actin and myosin are apart, ADP + Pi are bound to myosin- Pi ...

Enzymes have an active site and allosteric sites. Allosteric sites regulate the activity of the enzyme.An allosteric enzyme could be- an allosteric activator which binds and stabilises the active form of the...

The heart is known as myogenic and can beat of its own accord, and this is tightly controlled to ensure the optimum blood flow through the heart to deliver oxygen to the rest of the body. Diastole refers to ...

Transcription is the process by which a DNA sequence is copied into a complementary RNA sequence. RNA polymerase binds to the promoter region of the DNA chain and causes the unwinding and separation of the D...

The synapse is the junction between two neurons. When an action potential reaches the synaptic knob of a neuron, voltage-gate calcium channels are opened, causing an influx of positively charged calcium ions...