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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 gradien...
MJ
Answered by Michael J. • Biology tutor
4275 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 understand what it is. For exampl...
AP
Answered by Alexandra P. • History tutor
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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 masculine countries that begin with a co...
OA
Answered by Owen A. • French tutor
5232 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 Extension: Sertoli ...
TD
3440 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 mitochondria...
VE
Answered by Victoria E. • Biology tutor
8444 Views