Adenoviruses are a family of viruses that can cause a variety of illnesses, including respiratory, digestive, eye, and neurological diseases. The maximum length of an adenovirus particle ranges from 55-90 nanometers, with a diameter of approximately 20-40 nanometers. An average-sized adenovirus particle is about 70 nanometers in length and 25 nanometers in diameter.
Adenoviruses contain a double-stranded DNA genome that can range from 5 to 36 kilobases in length. Depending on the type, they may also contain additional single-stranded DNA or RNA molecules, which can range from 0.2 to 4.6 kilobases in length. Adenoviruses are non-enveloped viruses, meaning they lack a lipid membrane, and are composed of a protein shell, or capsid, which is made up of protein subunits called capsomeres. The capsids of adenoviruses range in size from 60 to 90 nanometers in diameter and are made up of 252 capsomeres.
To summarize, the maximum length of an adenovirus particle is 90 nanometers, and the maximum length of its genome is 36 kilobases. Adenoviruses are non-enveloped viruses, composed of a protein capsid that ranges in size from 60 to 90 nanometers in diameter, and 252 capsomeres.