What property of henrietta lacks’ cells was most unusual when they were grown in the laboratory?

Why is it to call the calvin cycle the light independent reactions vs the dark reactions

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.

What are potential sources of error in marta’s experiment