73 results found

Search Results for: holds

Matrix

Bodies of living organisms are organized structures. These are organized in a hierarchy of organ systems, organs, tissues,... Read More

Antibody diversity

Antibody diversity The phenomenon of immense variability characteristic of antibodies, which enables the immune system to... Read More

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Abiogenesis

Definition noun plural: abiogeneses a·bi·o·gen·e·sis, eɪbaɪəʊˈdʒɛnəsɪs (1) The idea that primitive life... Read More

Ionic bond

Definition noun plural: ionic bonds A type of chemical bond in which atoms, ions, or molecules are held together by... Read More

Regional continuity model

Definition noun A scientific model supported by Milford Wolpoff in which it holds that the modern humans came from a single,... Read More

Loose connective tissue

Definition noun A type of connective tissue proper that holds and binds organs together, and is characterized by its loose,... Read More

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More

Sexual selection

What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More

Adhesion

Adhesion Definition Adhesion is the binding or attraction between dissimilar molecules, atoms, surfaces, or substances. The... Read More

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

Cytoplasm

Cytoplasm Definition The cell is known as the building block of all life. Blocks are made up of numerous particles and... Read More

At Home in the Universe: The Search for the Laws of Self-Organization and Complexity

At Home in the Universe: The Search for the Laws of Self-Organization and Complexity  ... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Jaw

Jaw 1. (Science: anatomy) One of the bones, usually bearing teeth, which form the framework of the mouth. Hence, also, the... Read More

Endangered species

Definition noun Any species that is highly likely to become extinct in the near future (as categorized by the International... Read More

Inorganic compound

Inorganic Compound Definition An inorganic compound is a chemical compound lacking both carbon-carbon (C-C) and... Read More

Prophase

Prophase is the first stage of mitosis; the very first step in this crucial process of the M-phase of the cell cycle. Now as... Read More

Bivalent

Bivalent Definition What is bivalent? In genetics, bivalent is used in describing homologous chromosomes (referred to as... Read More

Directed case study method for teaching human anatomy and physiology

DIRECTED CASE STUDY METHOD FOR TEACHING HUMAN ANATOMY AND PHYSIOLOGY William H. Cliff and Ann W. Wright Department of... Read More

Glycosidic bond

Glycosidic bond is a covalent bond that holds a carbohydrate (sugar) to another group that can or cannot be another... Read More

Hydrogen bond

Definition noun plural: hydrogen bonds A type of chemical bond that is formed when the slightly positive hydrogen atom of... Read More

Endosymbiotic theory

A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More

Bone matrix

Bone Matrix Definition Bone matrix refers to the matrix component of bone tissue. It provides the structural framework and... Read More

Critically endangered species

Definition noun Any species that has an extremely high risk of extinction in the immediate future (as categorized by the... Read More

Sexual dimorphism

Sexual Dimorphism Definition Sexual dimorphism refers to the morphological differences (in form or appearance) between... Read More

Homologous structures

Homologous Structures Definition What are homologous structures? In biology, homologous structures are physical features... Read More

Dense regular connective tissue

The dense connective tissue is a type of connective tissue proper that consists predominantly of fibers, especially type I... Read More

Chronobiology

Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More

Intramolecular force

Definition noun The force that holds together the atoms making up a molecule or compound. Supplement Examples of... Read More

Erythrocyte

Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More

Unified atomic mass unit

Unified Atomic Mass Unit Definition The Unified Atomic Mass Unit (u) (or simply atomic mass unit) refers to the 1/12... Read More

Chemical bond

Definition noun, plural: chemical bonds The attractive force that binds atoms, ions, or molecules in a chemical... Read More

Synapsid

Any member of the Synapsida clade of animals is referred to as a synapsid. They are believed to have descended from the... Read More

Transcription (biology)

In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... Read More

Chemical Composition of the Body

In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More

Cladosporium species in indoor environments

Cladosporium is a fungus that mostly found in indoor and outdoor molds. It is a species that formed in simple or branching... Read More

A Protein Being Born – a live cell imaging of RNA translation

You probably already heard the concepts of translation in the central dogma of molecular biology. The dogma is an... Read More

Pathobiology of allergy and its most severe form, anaphylaxis

When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... Read More

Mitochondrial DNA not just from moms but also from dads?

If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More