51 results found

Search Results for: kill

Phenol coefficient

Chemical disinfectants are categorized based on the power of their disinfection for microbes and viruses. Strong... Read More

Predation

In ecology, predation is a mechanism of population control. Thus, when the number of predators is scarce the number of... Read More

Parasitism

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

Newly Discovered Exploding Ants – Colobopsis explodens

A new ant species, Colobopsis explodens, was recently identified. Similar to other exploding ant species, Colobopsis... 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

Immune response

Immune Response Definition An immune response is defined as the reaction of the body in response to the presence of a... Read More

Exotic species

Exotic Species Definition What is an exotic species? In biology, an exotic species refers to a plant species or an animal... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Definitive host

Different Biological Relationships The biological world is interconnected whether we notice it or not. All the life forms... Read More

Bactericide

Definition noun, plural: bactericides A substance or agent capable of killing bacteria. Supplement Examples of bactericides... Read More

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

Facultative anaerobe

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

Trophic level

In ecology, a trophic level pertains to a position in a food chain or ecological pyramid occupied by a group of organisms... Read More

Oxidizer

An oxidizer is a substance that facilitates oxidation in a chemical reaction by accepting electrons from another substance.... Read More

Digestive Enzymes

Have you ever thought about what happens to the food after you have taken it into your mouth? How those big steak pieces... 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

Pyrogen

Definition noun, plural: pyrogens A substance inducing fever by acting on the hypothalamic thermoregulatory center and... Read More

Symbiosis

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

Monocyte

Monocytes Definition Monocytes are a subset of white blood cells (WBCs) or leukocytes that originate in the bone marrow.... Read More

Cell Biology

The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas... Read More

Evolution of Life – Ancient Earth

Continuing from the previous tutorial investigating the origins of life on Earth.... Life began to flourish, and the... Read More

Insects

To learn more about arthropods, look at the previous tutorial. The Class Insecta of the Arthropoda Phylum is by far the... Read More

SELFISH GENE – selfish to persist

What is a selfish gene? A selfish gene is not a gene that makes an individual selfish. In fact, it may even be involved in... Read More

RASER proteins selectively “hack” and “shut down” cancer cells

According to World Health Organization, cancer is the second leading cause of death worldwide. The record showed that it... Read More

CRISPR DIY – biohacking genes at home

Have you ever thought of changing yourself for the better -- genetically-speaking? Lately, CRISPR company has been selling a... Read More

New Zealand’s Unique Fauna

By: Maria Victoria Gonzaga In the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More

Bactericidal

Definition adjective Refers to a substance (or a condition) capable of killing bacteria. Supplement Word origin:... Read More

Pus cell

Definition noun, plural: pus cells A dead polymorphonuclear leukocyte, i.e. neutrophil, found in pus. Supplement Pus cells,... Read More

Germicide

Germicide (Science: pharmacology) An agent that kills pathogenic microorganisms. An agent (as heat or radiation or a... Read More

Antibiotic

Definition noun, plural: antibiotics Antimicrobial agent made from microorganisms, and can kill and inhibit the growth of... Read More

Scared to Death

Scared to Death: Self-Willed Death, or the Bone-Pointing Syndrome   by Patrick D Hahn   Accepted on: September 4,... Read More

Humans are Omnivores – Evidence

A number of popular myths about vegetarianism sprung with no scientific basis. One example of such a myth is that man is... Read More

Characteristic

Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More

Remove

remove 1. To move away from the position occupied; to cause to change place; to displace; as, to remove a building. Thou... Read More

Fowl

Fowl Instead of the pl. Fowls the singular is often used collectively. OE. Foul, fowel, foghel, fuhel, fugel, as. Fugol;... Read More

Shell

shell 1. A hard outside covering, as of a fruit or an animal. Specifically: The covering, or outside part, of a nut; as, a... Read More

Scavenger

Scavenger An animal (such as a vulture or coyote) that eats carcasses abandoned by predators, digs through trash cans for... Read More

Virulence

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

Gametocide

Gametocide An agent destructive of gametes, specifically the malarial gametocytes. Origin: Gameto-- L. Caedo, to... Read More

Anaerobic

As largely known are the subset of biological processes that are directly correlated to the ‘usage of molecular oxygen’,... Read More