Which of these statements about light microscope and electron microscope is not true

The electron microscope is a type of microscope that uses a beam of ... in 1899, found that the serays could be concentrated into a small spot by the use of an axial ... The early electron microscopes did not excite the optical microscopists is generation of the secondary electrons from the true surface structure of a sample.

$100. 125 x 0.20 = 25125 - 25 = $100

The basic repeating unit of nucleic acids are known as nucleotides. a nucleotide consists of three distinct chemical groups.