Question

Name two units for measuring the diameter of a bacterial cell or nucleus of atom. Express the value of above units in mm.​

Answer 1

two units are :-

nanometer

picometer

Answer 2

Two units used to measure the 'diameter of a bacterial cell' or 'nucleus of an atom' are a nanometer and a picometer.

• Nanoscale typically has measurements between one and 100 nanometers, covering everything from the atomic to the cellular level. The size of the viruses ranges from 50 to 200 nanometers. The average thickness of the cell membrane is between 6 nanometers and 10 nanometers. DNA can be as small as a helix diameter of about 2 nanometers and carbon nanotubes as small as 1 nanometer in diameter.
• Picometer is a type of unit of length in the metric system, which is 1 part of 1 trillion meters (1 pm = 1 / 1,000,000,000,000 meters). This measurement is currently in SI single mode. It can be written in scientific notation as 1 × 10612 meters, or 1 E − 12 meters in architectural notation — both mean 1 meter / 1,000,000,000,000.

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