How many nitrogenous bases are there? what are the name?

Linda and julia are trying to determine whether their ideas are scientific or pseudoscientific. linda's idea is free of bias. julia's idea gives the same result when tested repeatedly. which statement is correct about linda and julia's idea?

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?

Light sensitivity in euglena is provided by the