Is amoeba prokaryotic or eukaryotic?

The term "amoeba" refers to organisms that move in a crawling fashion.A comparison of the genetic content of various amoebae shows that they are not closely related.

All living organisms can be divided into two groups based on the complexity of their cells.Euthanasia cells are more organized than prokaryotic cells.All living organisms are prokaryotes.

Amoebae usually have a single cell in their bodies.Some of the features of amoebae's cells are similar to those of other eukaryotes.The contents of the cell are contained in a cell membrane.The nucleus is the central part of the cell.They contain specialized structures called organelles, which execute a range of cellular functions.

There are a few exceptions to the fact that most of these are common to all cells.The golgi apparatus, the organelle responsible for modifying and transporting proteins, is not present in the parasites that cause amoebic dysentery.According to a 2005 article in The Journal of Biological Chemistry, there are golgi-like compartments in the histolytica.A reader in the department of biomedical sciences at the University of Edinburgh said that there are amoebae, which do not have mitochondria, because they live in environments lacking in oxygen.According to a review published in the journal Biochemie, these organisms can have different versions of the same organelles and are thought to be highly altered.This is the case for the free-living amoeba.

Amoebae are similar to cells of higher organisms.When they are moving, they look like our white blood cells, according to Maciver.

Like our white blood cells, amoebae use pseudopodia to move.The projections of the cytoplasm help amoebae to grip a surface and propel themselves forward.The back end of the amoeba contracts when pseudopodium moves out along a surface in one direction.He said that it does two things.The contraction pushes the cytoplasm forward to fill the pseudopod, but it also pulls up adhesions at the back end of the cell.Maciver describes the physical bonds between an amoeba and the surface on which it moves as physical molecular bonds, which are formed at the front and back.The movement uses pseudopodia to unite various amoebae and distinguishes them from other protists.

There are different types of pseudopods that are distinguished by their appearance.According to the Tree of Life web project, filose pseudopodia are thin thread-like projections.Structural elements known as microtubules are responsible for executing cell movements.Reticulopodia are thin projections that mesh together and actinopoda are rigid, made of a core of microtubules.

pseudopodia can be used to feed amoebae.An article published in 1995 in the journal Applied and Environmental Microbial gives an example of an amoeba that can eat both liquids andsolids.Administering solid material is called phagocytosis.Maciver said that most of the amoebae eatbacteria.He explained that amoebae have a cell surface that is capable of binding tobacteria, which are collected at the rear of the cell.The process of phagocytosis is different in the case of the giant amoeba.Giant amoebae attack their prey by the willful gathering of pseudopods.The vacuole is formed when the cell that surrounds it pinches off.Pinocytosis is the process of wringing drops of liquid.

The various systems of classifying organisms, including amoebae, were based on similarities in observable characteristics.Maciver said there isn't a coherent group of organisms called the amoebae.Amoebae are cells that move by crawling.

In the past, amoebae were classified in a single group by their use of pseudopodia.An article published in the journal Protistology states that amoebae were divided based on the type of pseudopodia.The evolutionary relationships between the amoebae were not shown in this system of classification.It was not a family tree.

There was a change in the course of classification for eukaryotes.Scientists were able to discern how closely the organisms were related by comparing the similarities and differences in their genomes.The ribosomes serve as the site for the synthesis of proteins.According to the 2008 Protistology article, based on the analyses of SSU rDNA and other DNA sequences, eukaryotic organisms are now organized in a way that better represents their evolutionary relationships.

A branched structure depicts each lineage in a tree.Supergroups are the first levels in this system.Fabien Burki, the author of a review article published in the journal Cold Spring Harbor Perspectives in Biology, describes these groups as the building blocks of the tree.

Amoebozoa is one of the five super groups for organisms.Animals are under the control of Ophiskontha.Amoeboid protists and some lineages that don't have mitochondria are part of the group.Amoebozoa and Ophiskontha form a larger supergroup called Amorphea.Heterotrophic protists and plants are both part of Excavata.

Maciver said that there are amoebae in virtually all the groups, if you look at the great diversity of the protists.There's amoeboid organisms in the brown algae.Maciver said that most amoebae are present in Amoebozoa.He noted that amoebae are present in Rhizaria, Excavata, Opisthokonta, Nucleariids, and the Stramenopiles.

There are a number of human diseases caused by amoebae.Amebiasis is an infectious disease caused by a human parasites.According to the National Institute of Health, an invade the colon wall can cause a variety of diseases.The disease can occur anywhere in the world, but it is most prevalent in tropical regions that have poor sanitary conditions.

People who wear contact lens may be at risk for a rare eye disease called Acanthamoeba keratitis.The Acanthamoeba species are free-living and can be found in the soil, air and water.Poor contact lens hygiene practices such as improper storage, handling and disinfection are some of the risk factors for the disease.If the infection is not treated, it can lead to the loss of vision and cause severe pain.

There are different infections of the brain caused by amoebae.The brain-eating amoeba, Naegleria fowleri, causes primary amoebic meningoencephalitis.The disease is usually fatal.According to the CDC, early symptoms include nausea and vomiting, which can lead to more severe symptoms such as coma and hallucinating.Naegleria fowleri can be found in warm freshwater bodies such as hot springs, lakes and rivers, or in poorly chlorinated swimming pools and contaminated, hot, tap water.The amoeba enters from the nose and travels to the brain.According to the CDC, one can't contract the infection by swallowing water.

The brain infections can be caused by another amoeba.Most of the time, balamuthia are fatal infections.The death rate from infections is 89 percent according to the CDC.Early symptoms include headaches, nausea, and low grade fever, which lead to weight loss, partial paralysis and speech difficulties.It can enter the body through open wounds or breathing in contaminated dust from the soil.

Amoebae can play host tobacteria that are harmful to humans.bacteria can resist digestion when eaten by amoebaeThey are released from vacuoles into the amoeba's cytoplasm.bacteria can become resistant to treatments designed to control their numbersAccording to a 1995 article in the journal Applied and Environmental Microbiology, this may increase the chances of human exposure tobacterial pathogens.There are cooling towers where amoebae andbacteria can grow.People can breathe in water droplets from the cooling towers.He said that on many occasions, we breathe in a droplets of water with an amoeba that is full ofLegionella.The immune system's many defensive cells can be attacked bybacteria if they enter the body in such a way.Maciver said that a macrophage looks like an amoeba.The same programmed events that allow the amoeba to escape are being used to let the Legionella escape the macrophage.

An important part of the soil is amoebae.They regulate the population.It is possible that more than 60 percent of the decreases in the field are due to naked amoebae.According to Maciver, amoebae are important for recycling the nutrients in the soil.The nutrients are released back into the soil.The effect is to increase the availability of plants with the help of amoeba.