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Explain how skeletal muscle contraction is stimulated

A nerve impulse travelling down a motor neurone causes the release of acetylcholine from the synpatic knob into the synaptic cleft. This then diffuses across the synaptic cleft down its concentration grad...

Answered by Michael J. • Biology tutor

3239 Views

How do I analyse a source?

In order to understand a source and write the best possible answer, there are seven easy steps to take:

1. What does the source say? We need to briefly look at the source to und...

Answered by Alexandra P. • History tutor

3157 Views

Which preposition do I use with countries?

The use of prepositions to say you are 'in' a country is actually quite simple in French. Your two options are 'en' (which is more common) and 'au'.

'Au' is used with masc...

Answered by Owen A. • French tutor

3875 Views

What are the four main processes that occur in spermatogenesis within the testes?

1.Mitosis: division of germline epithelium (into spermatogonia)
2. Cell growth
3. Meiosis (2 divisons): results in four haploid daughter cells
4. Cell differentiation: forming sperm cells

Answered by Tutor20528 D. • Biology tutor

2813 Views

What is the difference between Areobic and Anaerobic Respriation

Areobic Respiration requires oxygen to release energy, producing water and carbondioxide as waste products according to equation belowC6H1206 + 6O2 = 6CO2 + 6H20Areobic respriation occurs in the mitochond...

Answered by Victoria E. • Biology tutor

7002 Views