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How do motor neurones work?

(using diagram of synapse between relay and motor neurone) This is the relay neurone and this is the motor neurone, the gap in between the neurones is called the synapse. Information is passed from the relay...
HW
Answered by Hebe W. • Biology tutor
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Compare and contrast the causes of Type 1 (insulin-dependent) and Type 2 (noninsulin-dependent) diabetes mellitus

Type 1 diabetes mellitus occurs when the body's immune system attacks beta cells within the Islets of Langerhans, in the pancreas. The immune system recognises pancreatic self-antigens as foreign and begins ...
JL
Answered by James L. • Biology tutor
8518 Views

In the process of mitosis, which stages occur? Describe each stage.

Mitosis is a form of cell division that produces genetically identical cells and it includes 4 main stages. Before Mitosis can occur the cell undergoes Interphase, in which DNA and organelles are replicated ...
HC
Answered by Holly C. • Biology tutor
10287 Views

Explain the carbon cycle.

Carbon-containing compounds in organic waste are broken down by microorganism for respiration, releasing CO2 to the atmosphere. This CO2 is taken in by plants for photosynthesis to produce glucose, to be use...
YC
Answered by Young C. • Biology tutor
5920 Views

How is an action potential (AP) transmitted across a synapse?

As an action potential (AP) arrives at the synaptic knob and depolarises the presynaptic membrane, voltage-gated Ca2+ channels open, allowing the entry of Ca2+ ions, This caues vesicles (membrane-bound organ...
YC
Answered by Young C. • Biology tutor
7181 Views