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What happens to the blood when it enters the heart?

The heart has four chambers; the right ventricle and atrium, and the left ventricle and atrium. Deoxygenated blood, once it has travelled the entire body, enters the heart from the vena cava into the right a...
GZ
Answered by Giulia Z. • Biology tutor
4632 Views

What are the levels of protein structure?

The structure of proteins, especially those of enzymes, is extremely important in allowing them to carry out their duties in the cell and body. Protein folding needs to be specific, and repeated exactly the ...
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Answered by Giulia Z. • Biology tutor
7632 Views

How am I able to recognise what kind of genre an excerpt of sacred vocal music may be from

There are a number of ways to devise what kind of larger work a short excerpt may be from. Let's think of the main Sacred vocal work types: 1)Mass 2)Oratorio/ Passion 3) Anthem/ Motet To be able to identify ...
MF
Answered by Mary F. • Music tutor
6423 Views

Alternating current produced by the generator in a nuclear power plant is supplied to the primary coil of a transformer. Explain, with reference to Faraday's law of electromagnetic induction, how a current arises in the secondary coil.

A typical transformer consists of an iron core with two coils wound around it - the primary and the secondary. Any current-carrying wire produces a magnetic field around it, but because the primary coil carr...
JK
Answered by Jakub K. • Physics tutor
8453 Views

In what situations do I use the subjunctive?

The use of the subjunctive can be quite daunting in Spanish, as there is no real equivalent in English. In general, it is used in situations of possibility or uncertainty, and is always directly preceeded by...
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Answered by Owen A. • Spanish tutor
3408 Views