What are some examples of prokaryotic and eukaryotic cells?
Prokaryotic cell lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle. In prokaryotic cell, all the intracellular components such as , DNA, RNA, proteins and metabolites are located together in the cytoplasm rather than in separate cellular compartment.Examples of prokaryotic cell are:ArchaeaBacteriaCyanobacteria(blue-green algae)Contrary to prokaryotes, eukaryotic cells contain a nucleus and other organelles enclosed within membranes. In eukaryotic cell, all the intracellular components such as , DNA, RNA, proteins and metabolites are located in separate cellular compartment.Examples of eukaryotic cells include:Animal cellsPlant cellsProtozoaFungi
What is the difference between a bacteria and a protozoan?
Protozoa are defined as a diverse group of unicellular Eukaryotic organisms, whereas bacteria is Prokaryotic. Protozoa has membrane enclosed organelles like mitochondria and digestive vacuoles, whereas its absent in bacteria. Protozoa causes diseases like Malaria, dysentery and Bacteria causes Cholera, tuberculosis, lyme disease.
Can a human survive without any of the organ systems?
See my friend says to me, he says "What is the only organ system in the body that is not essential for us to stay alive?" I says "I haven't a Scooby-doo!" He says "The reproductive system". Now I wasn't so sure. See, in males (such as myself), the reproductive system includes the testes. These produce testosterone, which I would regard as necessary for an adequate life. "No", he says, "We can still survive without it though- even if we would be messed up". Surely, though, it would be possible to literally just survive (and nothing more than that) without one of the other systems, too? Or I wouldn't even be so sure that one could survive without the reproductive system. So any attempt to clear up this debacle would be greatly appriciated. Please and thanks! :)
What are the differences between saprophytic and parasitic?
Parasite :-1. The organism, which depends upon other organism for its nourishment and growth, is known as parasite.2. It has intracellular digestion.3. It causes harm to the organism.Saprophyte :-1. The organism, which grows on dead and decaying material for its growth, is known as saprophyte.2. It shows extracellular digestion.3. It does not depend on living host.Thanks…………….
Thin white film on angelfish.. what is it? how can I treat it?
The problem here is that none of us can see exactly what's going on with your fish. I'm going to attach some links with specific symptoms that should help you to make a better diagnosis. Names of conditions and treatment options are included. You can google more info on anything that sounds like a possibility, and if you include "photo" in your search, you should get sites with pictures you can compare with your fish's condition. Use the first to narrow down possible diagnoses and the others to confirm/eliminate any possibilities. If you could link a photo to your question, this might help us better diagnose your problem. I'll check back periodically. ADDITION: considering the nature of your recent postings, check acidosis and alkalosis in the last website - and the pH of the tank to see if it's changed; otherwise I'd consider a general parasite (fish often produce excessive slime to prevent attachment and irritation in the affected areas) or columnaris a (whitish/gray fuzzy "patch")
What are some organisms that perform anaerobic respiration?
In a human body, which organ performs anaerobic respiration?None. And anaerobic respiration does not occur in any human cells.A common mistake is to refer to fermentation (or glycolysis) as anaerobic respiration because it is an anaerobic alternative to aerobic respiration. Fermentation is not anaerobic respiration, and anaerobic respiration is not fermentation: they are two very different processes.Respiration - both aerobic and anaerobic - involves a "respiratory chain" - what we usually refer to as an electron transport chain or electron transport system: it uses energy released by the flow of electrons from one carrier to another in a membrane in order to pump hydrogen ions unidirectionally across the membrane to form an electrochemical proton gradient. In fact, the protein complexes in the electron transport system are called “respiratory complexes”. The protons then flow back across the membrane through ATP synthase, which allows it to form ATP from ADP + Pi.The key difference between aerobic respiration and anaerobic respiration is that in aerobic respiration the electron transport system's terminal electron acceptor is oxygen, whereas in anaerobic respiration the terminal electron acceptor is something other than oxygen, such as nitrate, nitrite, fumarate, DMSO, etc.On the other hand, fermentation does not use a respiratory chain, does not generate an electrochemical proton gradient, and does not use ATP synthase to make ATP, so it is not a form of respiration. Fermentation and anaerobic respiration are two entirely different processes.
What are 10 ways that microbes can be harmful?
These are few ways that a microbe can be harmful.Pathogenicity: These microbes have ability to cause infections destroy host and transmit to the next possible host.Destroys host defence: Both 1st line and 2nd line of host defence is targeted and destroyed.Antibiotic resistance: Many strains of bacteria are resistant to antibiotics which were actually developed as a result of inappropriate use of antibiotics against viruses and bacteria.Food poisoning: Bacteria and viruses are the most common cause of food poisoning. The symptoms and severity of food poisoning vary, depending on which bacteria or virus has contaminated the food. Most food poisoning is caused by bacteria, viruses, and parasites rather than toxic substances in the food. But, some cases of food poisoning can be linked to either natural toxins (such as those in some mushrooms and pufferfish) or chemical toxins (such as pesticides or melamine). While some molds are desirable in foods (such as blue cheese), other molds can produce toxins that cause illness.Food spoilage: Bacteria and fungi species are well known to cause food spoilage as they get enough nutrients and grow there release their contents and make food unfit for eating.Biological warfare: Biological weapons include living organisms and biologically produced toxins to injure people, animals and destroy crops. These include harmful microbes such as Bacteria, viruses and spores. Toxins are produced by thses microbes. This causes mass destruction of populations.These are few possible ways how microorganisms can be harmful. Other minor effects are allergy, cute inflammation, odours from decayed matter etc,.Thank you.