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Attraction between the nucleus and the outer electrons increases across a group because the proton number increases and the atomic radius decreases due to increased nuclear charge.Across a group shielding...

Thesis - The legacy and impact of the Treaty of Versailles was the main cause of the WWII, since it set the precedent for a following conflict. Despite this, the failure of collective security, the econom...

During anaerobic respiration only glycolysis can occur as oxygen is not present to act as the final electron acceptor in oxidative phosphorylation, therefore only substrate level phosphorylation can occur...

threshold wavelength where photoelectrons have no energy, i.e. Work function = hc/wavelength.Rearrange for wavelength and substitute. Wavelength = 2*10^-7 m.

There are 4 stages to the response of B lymphocytes upon contact with antigens. These are antigen presentation, clonal selection, clonal expansion and differentiation. During antigen presentation the lymp...