Bio 202 Essay
Exam 2 Study Guide Bio 202 Chapter 13
Differentiate a virus from a bacterium
Describe the chemical and physical structure of both an enveloped and a nonenveloped virus. (Include a description of the envelope, capsid, and core
The nucleic acid of a virus is protected by a protein coat called the capsid. The structure of the capsid is ultimately determined by the viral nucleic acid and accounts for most of the mass of a virus, especially of small ones. Each capsid is composed of protein subunits called capsomeres. In some viruses, the proteins composing the capsomeres are of a single type; in other viruses, several types of protein may be present. In some viruses, the capsid is covered by an envelope, which …show more content…
John Snow (15 March 1813 – 16 June 1858) was an English physician and a leader in the adoption of anesthesia and medical hygiene. He is considered one of the fathers of modern epidemiology in part because of his work in tracing the source of a cholera outbreak in Soho, London, in 1854.
Ignaz Philipp Semmelweis(July 1, 1818 – August 13, 1865) was a Hungarian physician of German descent now known as an early pioneer of antiseptic procedures. Described as the "savior of mothers", Semmelweis discovered that the incidence of puerperal fever could be drastically cut by the use of hand disinfection in obstetrical clinics.
Florence Nightingale (May 12, 1820 – August 13, 1910) was a celebrated British social reformer and statistician, and the founder of modern nursing. She came to prominence while serving as a nurse during the Crimean war, where she tended to wounded soldiers. She recorded statistics on epidemic typhus in the English civilian and military populations. In 1858, she published a thousand-page report using statistical comparisons to demonstrate that diseases, poor food, and unsanitary conditions were killing
Differentiate a virus from a bacterium
Describe the chemical and physical structure of both an enveloped and a nonenveloped virus. (Include a description of the envelope, capsid, and core
The nucleic acid of a virus is protected by a protein coat called the capsid. The structure of the capsid is ultimately determined by the viral nucleic acid and accounts for most of the mass of a virus, especially of small ones. Each capsid is composed of protein subunits called capsomeres. In some viruses, the proteins composing the capsomeres are of a single type; in other viruses, several types of protein may be present. In some viruses, the capsid is covered by an envelope, which …show more content…
John Snow (15 March 1813 – 16 June 1858) was an English physician and a leader in the adoption of anesthesia and medical hygiene. He is considered one of the fathers of modern epidemiology in part because of his work in tracing the source of a cholera outbreak in Soho, London, in 1854.
Ignaz Philipp Semmelweis(July 1, 1818 – August 13, 1865) was a Hungarian physician of German descent now known as an early pioneer of antiseptic procedures. Described as the "savior of mothers", Semmelweis discovered that the incidence of puerperal fever could be drastically cut by the use of hand disinfection in obstetrical clinics.
Florence Nightingale (May 12, 1820 – August 13, 1910) was a celebrated British social reformer and statistician, and the founder of modern nursing. She came to prominence while serving as a nurse during the Crimean war, where she tended to wounded soldiers. She recorded statistics on epidemic typhus in the English civilian and military populations. In 1858, she published a thousand-page report using statistical comparisons to demonstrate that diseases, poor food, and unsanitary conditions were killing