WebFeb 4, 2024 · For example, bacteria in the intestines help digest food. But bacteria can cause illness. For example, bacteria that travel from the anus into the urinary tract can cause a urinary tract infection. People can come into contact with bacteria from other people, food or the environment. These bacteria can cause illnesses. Some examples are: Strep ... WebHow do viruses make us sick – Viral replication. This lesson extends the principles learned in Lesson 4.1 to address how viruses cause host damage. It focuses on how viruses replicate and then exit from host cells. The lesson also introduces the difference between DNA and RNA viruses and explains that viruses need host proteins to replicate.
Where do disease causing agents come from?
WebInfection with a pathogen does not necessarily lead to disease. Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease occurs … WebMar 8, 2024 · Many disease-causing bacteria produce toxins — powerful chemicals that damage cells and make you ill. Other bacteria can directly invade and damage tissues. … how much money is 20 robux worth
Bacterial Pili (Fimbriae): Types, Functions • Microbe Online
WebThe main parts of the immune system are: White blood cells: Serving as an army against harmful bacteria and viruses, white blood cells search for, attack and destroy germs to keep you healthy. White blood cells are a key part of your immune system. There are many white blood cell types in your immune system. Each cell type either circulates in ... WebApr 8, 2024 · How Bacterial Infections Spread Bacterial infections are caused by the transmission, or spread, of bacteria. You can become exposed to bacteria from contact … WebWhat causes disease agents? The agents that cause disease fall into five groups: viruses, bacteria, fungi, protozoa, and helminths (worms). Protozoa and worms are usually grouped together as parasites, and are the subject of the discipline of parasitology, whereas viruses, bacteria, and fungi are the subject of microbiology. how do i rollover my 401k from adp