26 results found

Search Results for: virulence

Virulence

Virulence Definition In biology, virulence is defined as the degree to which a pathogenic organism can cause disease.... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Multiple alleles

Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... Read More

Density dependent factor

Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Viability

Whether we talk about “a travel plan” or “a science experiment” or “the chances of a pregnancy reaching its... Read More

Pathogenicity

Definition noun, plural: pathogenicities The capability (of a pathogenic agent) to cause disease Supplement Pathogenicity... Read More

Incubation period

Incubation Period Definition The incubation period is the time duration between exposure to the pathogen and the appearance... Read More

Capsule

Definition noun, plural: (general) A small case, envelope, or covering. (anatomy) (1) A membranous sac or integument,... Read More

Hypomelanism

All the body cells of living organisms bear some color due to one or the other pigment molecule or complex. The pigment can... Read More

Virulent virus

Definition noun A virus that lyses its host immediately upon infection and often cause disease Supplement Viruses may be... Read More

Streptolysin S

Definition noun A nonantigenic, oxygen-stable β-hemolytic enzyme produced by some bacteria, especially... Read More

Streptolysin O

Definition noun An oxygen-labile, immunogenic hemolysin produced by or derived from some strains of... Read More

Transposition

Definition noun, plural: transpositions (genetics) The transfer of a segment of DNA from one site to another of a... Read More

Symbiosis

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

Aggressin

Aggressin (Science: protein) a term for a protein produced by a pathogenic microbe which aids its spread in the host by... Read More

Inoculation

Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More

Humoral immunity

Let’s get to know where one should place humoral immunity, the topic of today’s discussion!! By the end of the article,... Read More

Naked virus

Viruses are infectious entities with size ranges between 20 to 400 nanometers. The mammoth-sized virus would be about the... Read More

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... Read More

Resolvase

Definition noun, plural: resolvases Site-specific recombinase known for its function which is to repress... Read More

Group translocation

Group Translocation Definition Just like your “home” is a private place where you and your comfort are maintained due... Read More

Gene transfer

Definition noun, plural: gene transfers The transfer of genes between organisms Supplement Gene transfer pertains to the... Read More

Pathogen

Definition noun, plural: pathogens An agent causing disease or illness to its host, such as an organism or infectious... Read More

Eubacteria

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

Survival of the fittest

When we talk about evolutionary processes, the usage of the phrase "Survival of the fittest" has been very common in... Read More