130 results found

Search Results for: activation

Activation

Definition noun (general) The state or the process of being active and/or effective (biochemistry) The process of making a... Read More

Activation energy

Definition noun The amount of energy (in joules) needed to convert all the molecules in one mole of a reacting substance... Read More

Enzyme activation

Enzyme activation conversion of an inactive form of an enzyme to one possessing metabolic activity. It includes 1)... Read More

Gene activation

Gene activation The process of activation of a gene so that it is expressed at a particular time. This process is crucial in... 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 BehaviorHaving discussed the molecular and neuronal actions of caffeine,... 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

Phagocytosis

Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... 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

Protein Activity and Cellular Metabolism

Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More

Deactivation

Definition noun The process of making inactive or the state of becoming less or not active anymore Supplement Deactivation... Read More

Differentiation

Differentiation in biology is the process where less specialized cells undergo changes to develop specialized structures and... Read More

Endoplasmic reticulum

Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More

Enzyme

An enzyme is a biomolecule that can be synthesized biologically (naturally occurring) or through other processes... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Nucleosome

Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Complement

Complement (Science: immunology) a term originally used to refer to the heat labile factor in serum that causes immune... Read More

Antagonistic Muscle

Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More

Autocrine signaling

Autocrine Signaling Definition What is autocrine signaling? Autocrine signaling is a type of cell signaling wherein a cell... Read More

Immunoglobulin

Immunoglobulin Definition An immunoglobulin is a globulin molecule produced by the immune cells, for the body's defense... Read More

Hypotonic

Hypotonic Definition Hypotonic is a term used to describe an entity being in the state of hypotonicity. Hypotonicity refers... Read More

Rough endoplasmic reticulum

Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More

Kinetic molecular theory

Kinetic molecular theory (Science: chemistry) this theory assumes that molecules must collide in order to react. The more... 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

Scratch reflex

Definition noun, plural: scratch reflexes (1) A spinal reflex characterized by a response to the activation of sensory... Read More

Spermatogenesis

Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... Read More

Phosphorylation

Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More

Fibrinogen

Definition noun, plural: fibrinogens A soluble rod-shaped plasma glycoprotein (340 kd, 46 nm long) consisting of six peptide... Read More

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Recombination DNA repair

Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... Read More

Agonist

What is an Agonist? In biology, an "agonist" is the "doer of an action". Opposite of it is the antagonist, which opposes... Read More

Hypertonic

Hypertonic Definition Hypertonic is a term used to describe an entity being in the state of hypertonicity, where there is a... Read More

Coagulation

Definition noun, plural: coagulations (haematology) The process of clot formation (surgery) The disruption of tissue by... Read More

Water in Plants

The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More

Lock-and-key model

Lock-and-key model Definition Lock-and-key model is a model for enzyme-substrate interaction suggesting that the enzyme and... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Cyclic guanosine monophosphate

Definition noun plural: cyclic guanosine monophosphates (biochemistry) A cyclic form of guanosine monophosphate (chemical... Read More

Adenosine diphosphate

Definition noun plural: adenosine diphosphates (biochemistry) A nucleotide made up of adenine, ribose, and two phosphate... Read More

Cyclic adenosine monophosphate

Definition noun plural: cyclic adenosine monophosphates (biochemistry) A cyclic form of adenosine monophosphate that... Read More