The majority of fungi does not have a negative effect on humans, although some species can cause disease. One example of this is indoor mold, which can cause and exacerbate respiratory conditions, according to the University of Minnesota.Know More
Although the majority of fungi do not cause harm to humans, those that do can have severe effects. For example, if opportunistic fungi from soil enter the wound of a person whose immune system is compromised, such as a diabetes patient, it can cause an aggressive infection. The majority of infections fungi cause are superficial, which means they occur across the skin or the hair. Examples of this include athlete's foot and ringworm.
When fungi do enter the body as an infection, they can cause systemic reactions that are fatal. People who are living in households where mold is present are at risk of developing superficial and internal infections. The type of infection they encounter and how severe it is depends on the fungi type and how toxic it is. For example, people inhaling green mold are at higher risk than those inhaling other types. Health problems arising from mold inhalation include allergic reactions, sinusitis as a result of allergen exposure, pneumonitis and allergic asthma.Learn more about Molecular Biology & DNA
The majority of DNA is located in the cell nucleus, where it is called nuclear DNA. A small amount is located in the mitochondria, where it is called mitochondrial DNA.Full Answer >
In eukaryotic cells, the majority of RNA is produced inside the nucleus. Several forms of RNA are synthesized there, including messenger RNA, transfer RNA and ribosomal RNA. Two organelles, mitochondria and chloroplasts, contain their own DNA and reproduce autonomously. Both organelles manufacture ribosomes along with messenger and transfer RNA.Full Answer >
In eukaryotic organisms, the majority of DNA is found within the nucleus of the cell in the form of a chain of chromosomes. Eukaryotes also have extra chromosomal DNA that is found within various cell organelles located outside of the nucleus, primarily in the mitochondria and chloroplasts.Full Answer >
Some examples of chromosomal mutations are a change of pigment in flowers and change of fur patterns in mammals compared to general population, and sickle cell anemia and cystic fibrosis in humans. On the level of a DNA molecule, examples of chromosomal mutations are substitution, insertion, deletion and frameshift.Full Answer >