Need to solve question #2 // meters Clais ceum) · E. coli Is I nm = 81 cm ( uwe
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Need to solve question #2
// meters Clais ceum) · E. coli Is I nm = 81 cm ( uwe can meagum 38 cm Haum (? _35 : la 5 tako u class Yom). 5 O O Question 1. Escherichia coli and your cells Escherichia coli, usually abbreviated as E. coli, comes to our attention when we hear about local beaches being closed for swimming due to high "fecat'coliform" counts, meaning the water is too contaminated with sewage. E. coli lives in the lower intestine of warm-blooded animals. E. coli is a rod-shaped bacterium (prokaryote) that is about 2 um (micrometers) long. E. coli is a prokaryote. You are a eukaryote. Eukaryotic cells can vary in size but the absorptive cells that line the cavity of your small intestine are columnar in shape and are about 25 pm "tall." o If the longest dimension of Si 240 (the Bio 201 lab room) represents the 25 um length of the columnar epithelial cells of your intestine, how big would an E. coli be ? Express this as a measurement and as a familiar object close the "scaled-up" size. O By how many times is the eukaryotic epithelial cell larger than the E. coli ? • Question 2. Escherichia coli, your cells, & viruses o The common cold is caused by a virus, commonly a rhinovirus. The infective stage of a virus (in the mist sprayed out when you sneeze, for example) is shaped like a small soccer bald (icosahedron, if you must know!) and is about 30 nanometers in diameter. Scaled to the cell izes in Question 1, how large would the rhinovirus be ? o By how many times is the eukaryotic epithelial cell larger than the rhinovirus ?Explanation / Answer
Answer 2.
Rhinovirus- It is the most common viral infection in human and is the most common cause of common cold.it is single stranded RNA of genus Enterovirus. There are three types of rhinovirus namely A,B,C. Rhinovirus are larger than other virus and measuring up to 300 nm. The main route of human infection of rhinovirus is respiratory tract like mouth and nose. Symtoms of rhinovirus infection include sneezing, cough, cold, fatigue, headache, muscle weakness, loss of appetite. Treatment include anti viral drug s. There are no such vaccine.
Eukaryotic cells are approximately 10 times larger than rhinovirus.
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