What invention was essential for the discovery of germs?
a) the optical microscope
b) the electron microscope
c) the binocular microscope
d) the magnifying glass

Louis Pasteur published his Germ Theory in 1861. He developed it using his microscope and stated that ‘germs’ (microbes) caused disease and illness. The theories in place before Pasteur’s discovery were the theories of spontaneous generation (germs are generated by decay) and miasmas (bad air).

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

condensation. good luck!