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What is the difference between UN and UN'?

Indefinite articles used with nouns beginning with a vowel sound the same but actually differ in the masculine and feminine form. UN is used for masculine forms. For example: un amico, un infermiere, un nego...
PJ
Answered by Penny J. • Italian tutor
6300 Views

How do I approach an unseen poem in an exam?

Firstly, and it cannot be repeated enough, but Do. Not. Panic. It is very easy to be intimidated by a piece of poetry – especially one you’ve never seen before. But, the sooner you realise that this poem is ...
MN
9209 Views

How do you use negatives in Italian?

In Italian the main negatives are NO (no) and NON (not). Their use does not always correspond to the English. Examples with the use of NO: -Vieni domani? -No. -Are you coming tomorrow? -No. In this example N...
PJ
Answered by Penny J. • Italian tutor
2996 Views

How does the release of calcium ions regulate muscle contraction?

Tropomyosin is a protein that covers the actin binding site. This prevents a cross-bridge forming between the myosin and actin filaments whilst the muscle is at rest. Calcium ions bind to troponin molecules,...
ET
Answered by Emily T. • Biology tutor
5530 Views

How does a high cholesterol diet increase the risk of coronary heart disease?

High cholesterol diets lead to high cholesterol levels in the blood. Low density lipoproteins, known as LDLs or BAD-cholesterol, build up in the artery walls. They form solid plaques which narrow the artery....
ET
Answered by Emily T. • Biology tutor
4252 Views