Online Biology Notes for undergraduate and graduate students
Image Source: Wikipedia and CDC Disclaimer: These data are collected from different sources over the internet. There can be some inaccuracy in the data given on this page. Epidemiology of COVID-19 caused by SARS-CoV-2 as of March 29, 2020 Epidemiology of COVID-19 caused by SARS-CoV-2 as of March 28, 2020 Epidemiology of COVID-19 caused by … Read more Epidemiology of COVID-19 caused by SARS-CoV-2 (Daily Update)
Introduction COVID-19 disease caught the world unaware, unprepared for a pandemic as bad at what we have faced the past 3 months. Countries which the most sophisticated technologies and strong health systems have scrambled for diagnostic testing kits that could salvage the increased cases of the infection that has caused deaths of over 30,000 as … Read more COVID-19 Diagnostic Test: Xpert Xpress SARS-CoV-2
Introduction The world is coming to terms with the current situation of the COVID-19 pandemic. Laboratories and manufacturing companies are working around the clock to find the best, the fastest, easily available, and most accurate diagnostic tests for the causative agent, COVID-19. Abbott Company based in the United States is among the leading companies in … Read more COVID-19 Diagnostic Test: Abbott ID NOW COVID-19
COVID-19 Basics What is COVID-19? This is an infectious disease that was discovered to causes a cluster of pneumonia cases first identified in Wuhan, China. It is caused by the 2019 Novel Coronavirus, formerly known as “2019 novel coronavirus (2019-nCoV)” and the disease was officially named COVID-19, by the World Health Organisation on February 11, … Read more COVID-19 – Frequently Asked Questions (FAQs)
Annelida definition Annelids are defined as triploblastic, bilaterally symmetrical, metamerically segmented, a coelomate worm with a thin flexible cuticle around the body. Figure: Diagram of Phylum Annelida. Source: Wikipedia Phylum Annelida Characteristics They are mostly aquatic; marine or freshwater some terrestrial, burrowing or tubicolous, sedentary or free-living, Some commensal and parasitic. The body is elongated, … Read more Phylum Annelida- definition, characteristics, classification, examples
Major Histocompatibility Complex (MHC) Definition The major histocompatibility complex can be defined as a tightly linked cluster of genes whose products play an important role in intercellular recognition and in discrimination between self and non-self. The term ‘histo’ stands for tissue and ‘compatibility’ refers to ‘getting along or agreeable’. On the other hand, the term … Read more Major Histocompatibility Complex (MHC)- Types and Pathways
Disease caused by SARS-CoV-2 is officially called COVID-19 COVID-19 According to the World Health Organization (WHO), the disease caused by Novel Coronavirus, 2019-nCoV (SARS-CoV-2) is now officially called COVID-19. CO means Corona. VI means Virus. D means Disease. 19 means the year that it was first discovered. “We had to find a name that did … Read more Disease caused by SARS-CoV-2 is officially called COVID-19
Introduction Lab diagnosis refers to the identification, examination & confirmation of pathogens in the lab. The diagnosis of virus infection can be established in several ways, often used together, namely: Detection of virus particles, viral antigens or viral nucleic acids in specimens taken from the appropriate site. Culture of infectious viruses from the appropriate sites. … Read more Diagnosis of Novel Coronavirus, SARS-CoV-2 (COVID-19)
In the past two decades, we have witnessed epidemic and pandemic, severe respiratory tract illnesses, whose etiological pathogens are viruses. They include H5N1 influenza in 1997, severe acute respiratory syndrome (SARS) in 2003 and pandemic H1N1 influenza in 2009, epidermic MERS-CoV in 2012 and just recently the emergence of the novel coronavirus, SARS-CoV-2 Acute Respiratory … Read more Treatment, Vaccine and Management of COVID-19 (SARS-CoV-2)
Pancreas The pancreas is a glandular organ in the upper mid-region, however, it fills in as two organs in one: a stomach related exocrine organ and a hormone-delivering endocrine organ. Working as an exocrine organ, the pancreas discharges catalysts to separate the proteins, lipids, sugars, and nucleic acids in nourishment. Working as an endocrine organ, … Read more Pancreatic hormones
Nucleus The nucleus is a specialize membrane-bound structure or organelle. It is the controlling center of eukaryotic cells. It is a characteristic feature of eukaryotic cells and is absent in prokaryotes like bacteria and viruses. It contains most of the genetic material of an organism. Most of the eukaryotic cells contain one nucleus but some … Read more Detailed description of eukaryotic nucleus