Question

Choose the correct option(s) in each.
1. A thin section of a specimen is taken for viewing
it through a microscope because
(a) it enhances clarity
(b) all structures are properly seen
(c) light cannot pass through thick objects
properly
(d) it does not allow air to pass through​

Answer 1

Explanation:

Sections must be very thin because the 50 to 125 kV electrons of the standard electron microscope cannot pass through biological material much thicker than 150 nm. For best resolutions, sections should be from 30 to 60 nm.