https://padlet.com/1717963/r5mxlti2fm6t Patricia Donnell en-us 2016-12-19 14:53:02 UTC 2026-01-19 18:57:04 UTC hello@padlet.com 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144320028 A virus is a biological agent that reproduces inside the cells of living hosts. When infected by a virus, a host cell is forced to produce many thousands of identical copies of the original virus at an extraordinary rate.]]> 2016-12-19 14:56:44 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144320028 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144321265 Bacteria constitute a large domain of prokaryotic microorganisms. Typically a few micrometers in length, bacteria have a number of shapes, ranging from spheres to rods and spirals.]]> 2016-12-19 15:01:57 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144321265 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144325498 A fungus is any member of the group of Eukaryota organisms that includes unicellular microorganisms such as yeasts and molds, as well as multi cellular fungi that produce familiar fruiting forms known as mushrooms.]]> 2016-12-19 15:19:10 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144325498 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144325661 an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.]]> 2016-12-19 15:19:55 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144325661 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144325836 All viruses have a capsid or head region that contains its genetic material. The capsid is made of proteins and glycoproteins.]]> 2016-12-19 15:20:38 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144325836 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144326056 All viruses have a capsid or head region that contains its genetic material. The capsid is made of proteins and glycoproteins.]]> 2016-12-19 15:21:36 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144326056 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144326296  included any organisms that live by drawing food from a host organism.]]> 2016-12-19 15:22:36 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144326296 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144326808 Most fungi grow as tubular filaments called hyphae. An interwoven mass of hyphae is called a mycelium.

]]> 2016-12-19 15:24:35 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144326808 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144327059 A virus is basically a tiny bundle of genetic material either DNA or RNA carried in a shell called the viral coat, or capsid, which is made up of bits of protein called capsomeres. Some viruses have an additional layer around this coat called an envelope.]]> 2016-12-19 15:25:31 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144327059 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144327274 Bacterial cells have no nucleus and other organelle bound by a membrane, except for ribosomes. Bacteria have pili, flagella and a cell capsule]]> 2016-12-19 15:26:10 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144327274 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144327501 The majority of fungi - except for the one-celled organisms - are composed of hyphae; threadlike tubular filaments. Hyphae is the plural of hypha. A hypha has a rigid wall around it generally made of chitin.]]> 2016-12-19 15:26:52 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144327501 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144327670 it is dependent on its host for survival - it has to be in the host to live, grow and multiply. A parasite cannot live independently]]> 2016-12-19 15:27:32 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144327670 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144327920 the virus attaches itself to a specific host cell (the cell in which it will reproduce) the virus injects its genetic material into the host cell. the host cell uses the genetic material to make new viruses. the host cell splits open, releasing the viruses.]]> 2016-12-19 15:28:28 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144327920 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144328162 Bacteria reproduce by binary fission. In this process the bacterium, which is a single cell, divides into two identical daughter cells. Binary fission begins when the DNA of the bacterium divides into two (replicates).]]> 2016-12-19 15:29:32 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144328162 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144328375 The reproduction of fungi can be either sexual or asexual. Sexual reproduction, as with other organisms, involves the fusion of two nuclei when two sex cells unite. This joining produces spores that can grow into new organisms. However, the majority of fungi reproduce asexually.]]> 2016-12-19 15:30:21 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144328375 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144328567 A host in which parasites reproduce sexually is known as the definitive, final or primary host. in intermediate hosts, parasites either do not or do asexually, but the parasite always develops to a new stage in this type of host]]> 2016-12-19 15:31:15 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144328567 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144328738 Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox and hemorrhagic fevers. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.]]> 2016-12-19 15:32:03 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144328738 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144328994 Common pathogenic bacteria and the types of bacterial diseases they cause include: Escherichia coli and Salmonella cause food poisoning. Helicobacter pylori caused gastritis and ulcers. Neisseria gonorrhoeae causes the sexually transmitted disease gonorrhea]]> 2016-12-19 15:33:06 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144328994 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144329218 Although the name sounds like the infection is caused by a worm, tinea corporis or ringworm is caused by a fungus. Flat, red sores, some with the outer parts raised, appear anywhere on the skin.]]> 2016-12-19 15:34:07 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144329218 1717963 https://padlet.com/1717963/r5mxlti2fm6t/wish/144329396 Malaria]]> 2016-12-19 15:34:57 UTC https://padlet.com/1717963/r5mxlti2fm6t/wish/144329396