39 results found

Search Results for: facultative

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Facultative

Definition adjective (1) Not compulsory; not restricting. (2) Of, or relating to, mental faculty. (biology) Capable of... Read More

Facultative species

Facultative species (Science: ecology) species that can occur both in wetlands and uplands, there are three subcategories of... Read More

Facultative heterochromatin

Definition noun Heterochromatin that may lose its condensed state and becomes genetically active Supplement Heterochromatin... Read More

Facultative hyperopia

Facultative hyperopia --> manifest hyperopia Hyperopia that can be compensated by accommodation. Synonym: facultative... Read More

Facultative gene

Definition noun, plural: facultative genes (1) A gene transcribed only when needed or when a cell receives a signal from its... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Facultative parasite

Definition noun, plural: facultative parasites An organism that lives independent of a host but may occasionally be... Read More

Obligate parasite

Parasitism is a form of symbiosis that occurs between a parasite and its host. The parasite is the organism that generally... Read More

Apomixis

Apomixis Definition Just like any other organism, the process of reproduction is pivotal to the life cycle of plants. There... Read More

Constitutive heterochromatin

Definition noun Regions on chromosomes that are condensed permanently, genetically inactive, and always in the same position... Read More

Obligate aerobe

Before we define obligate aerobes, let us first understand and define aerobic organisms. Aerobic organisms are those that... Read More

Parasite

Definition noun, plural: parasites An organism that obtains nourishment and shelter on another... Read More

Facultative mutualism

Definition noun A type of mutualism in which the interacting species derive benefit from each other but not being fully... Read More

Thermophile

Definition noun, plural: thermophiles An organism that thrives in a habitat at relatively high temperatures, i.e. between 41... Read More

Hyperthermophile

Definition noun, plural: hyperthermophiles An organism that is adapted to live and thrive at temperature as high as 80°C... Read More

Heterochromatin

Definition noun Highly condensed, tightly packed form of chromatin, as opposed to the lightly packed... Read More

Community Patterns

By: Maria Victoria Gonzaga In the previous lesson, we learned what a population is, its attributes, and processes... Read More

Mutualism

Mutualism Definition What is mutualism? In biology and ecology, a mutualism is a form of symbiosis that is characterized by... Read More

Fermentation

Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Alkaliphile

Definition noun, plural: alkaliphiles An organism that can live and thrive in an alkaline environment Supplement An... Read More

Streptococcus

Definition noun, plural: streptococci (1) A genus of bacteria characterized by being coccus, Gram-positive, and occurring in... Read More

Proteobacteria

Definition noun (taxonomy) A phylum of the domain Bacteria that includes medically and scientifically important species such... Read More

Diazotroph

Definition noun, plural: diazotrophs A microorganism capable of assimilating and fixing atmospheric nitrogen... Read More

Staphylococcus epidermidis

Definition Noun A gram-positive facultative bacterium that produced slime for adhesions associated with endocarditis and... Read More

Staphylococcus aureus

Definition Noun A gram-positive spherical and facultative bacterium arranged in cluster involved as pathogens of several... Read More

Lactobacillus casei

Definition noun A non-pathogenic and harmless bacterium recognized widely as probiotics that controls growth of various... Read More

Escherichia coli

Definition A Gram-negative, facultatively anaerobic, rod-shaped species belonging to the family... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Aerotolerant

Definition noun An anaerobic organism capable of surviving or growing despite the presence of oxygen. Supplement An... Read More

Obligate

Definition adjective (general) Compulsory; restricted to a set of parameters or conditions; having no alternative system or... Read More

Obligate mutualism

Definition noun A type of mutualism in which the species involved are in close proximity and interdependent with one... Read More

Anaerobic bacteria

Definition noun Bacteria that are capable of living in the absence of molecular oxygen. Supplement In general, these... Read More

Fastidious organism

Definition ‘’noun, plural: fastidious organisms‘’ An organism that has complex nutritional requirements. Usage The... Read More

Enterobacteriaceae

Definition noun: (taxonomy) A family of gram-negative bacilli that inhabit the large intestine of humans and other... Read More

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... Read More

Constitutive gene

Definition noun, plural: constitutive genes A gene that is transcribed at a relatively constant level regardless of the cell... Read More