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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
3057 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
5605 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
4315 Views

Which variation of 'to' (en, au, aux, à) should be used when describing 'going to' a country which is in masculine, feminine and/or in plural form?

In some cases, the preposition ‘à’ is used to signify going ‘to’ a place in a sentence. However, sometimes this preposition takes on different forms or changes entirely based on the gender of the noun which ...
OS
Answered by Olena S. • French tutor
13353 Views

How does oxidative phosphorylation work in respiration

Reduced NAD/FAD from previous stages of respiration (glycolysis, link reaction, Krebs cycle) relocate from the mitochondrial matrix to the inner mitochondrial membrane. At this point they are oxidised, losin...
FM
Answered by Fionn M. • Biology tutor
4395 Views