Although most prokaryotes cannot survive in nature without their cell walls, some do so naturally. These include the mycoplasmas, a group of pathogenic bacteria that causes several infectious...
Category: General Microbiology
A mutation is a change in the nucleotide sequence of a gene. This gives rise to a new genetic trait or a changed genotype. A cell or an organism that shows the effect of a mutation is called a...
All organisms require an energy source to drive energy-consuming life processes. Energy can be tapped from light or chemicals (organic chemicals and inorganic chemicals). The nutritional types of...
Archaea: Characteristics, Similarities, Differences with Bacteria
Cellular life on earth has evolved along three major lineages, called Bacteria, Archaea, and Eukarya. Comparative rRNA sequencing revealed these three distinct cellular lineages, also called domains....
Human skin is home to billions of diverse bacteria, archaea, fungi, and viruses, with bacteria making up the vast majority. Typically, a person has around 1,000 species of bacteria on their...
Adaptation is the key for the survival. Organisms with successful adaption strategies are more likely to survive than others. Dinosaurs failed to adapt to the new environment and therefore became...