92 results found

Search Results for: precursor

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Precursor

precursor Something that precedes. 1. (Science: biochemistry) In biological processes, a substance from which another,... Read More

Anabolism

Anabolism Definition Metabolic processes involve the conversion of one molecule into another through a sequence of chemical... Read More

Monocyte

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

Monoblast

Definition noun, plural: monoblasts A precursor cell that gives rise to a promonocyte Supplement Hematopoiesis is the... Read More

Dopamine

Definition noun, plural: dopamines 3,4-dihydroxyphenethylamine (chemical formula: C8H11NO2); a neurotransmitter or a hormone... Read More

Mature mRNA

Mature mRNA Definition Mature mRNA is the completely processed mRNA molecule in the cell of eukaryotes. The mRNA is a type... Read More

Myeloblast

Definition noun, plural: myeloblasts A precursor cell that gives rise to a promyelocyte during... Read More

Zymogen

Definition noun, plural: zymogens An inactive enzyme precursor that requires a biochemical change to become active or... Read More

Zymogen granules

Definition noun The granules in the cytoplasm of secretory cells containing the zymogen Supplement Zymogen granules are... Read More

Lipotropin

Definition noun, plural: lipotropins A polypeptide hormone of the anterior pituitary gland, presumably acts by promoting fat... Read More

Differentiation

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

Promegakaryocyte

Definition noun, plural: promegakayocytes A precursor cell in the thrombocytic series that arises from a megakaryoblast and... Read More

Chemosynthesis

Definition noun, plural: chemosyntheses The production of a more complex chemical compound by combining two or more simpler... Read More

Megakaryocyte

Definition noun, plural: megakaryocytes A large cell in the bone marrow with characteristic lobulate nucleus and is... Read More

Platelet

Definition noun, plural: platelets A discoid cellular fragment (2–3 µm diameter) important for blood coagulation and for... Read More

Embryo

An embryo refers to the early developmental stage of a multicellular organism that follows fertilization. This stage... Read More

Gene Regulation in Eukaryotes

Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More

Endoplasmic reticulum

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

Glycerol

Definition noun glyc•er•ol, ˈglɪs əˌrɔl A sugar alcohol made up of two polyols derived from saponification of... Read More

Histiocyte

Definition noun, plural: histiocytes A reticular connective tissue macrophage or a dendritic cell, derived from the bone... Read More

Omega-6 fatty acid

Definition noun, plural: omega-6 fatty acids A type of polyunsaturated fatty acid in which the first double bond is between... Read More

Angiotensinogen

Definition noun An alpha-2 globulin protein that is found in the bloodstream and release into circulation mainly by the... Read More

Abiogenesis

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

Megakaryoblast

Definition noun, plural: megakaryoblasts A precursor cell that develops into a promegakaryocyte during... Read More

Progenitor

progenitor A precursor, ancestor; one who begets. Origin:... Read More

Propepsin

Definition noun A precursor of pepsin released from the stomach. Supplement Word origin: pro- (before) + pepsin See... Read More

Pribnow box

Pribnow box --> promoter (Science: molecular biology) A region of dNA to which rNA polymerase binds before initiating the... Read More

Meiospore

Definition noun, plural: meiospores The spore produced by meiosis, such as the precursor cells of gametophytes of... Read More

Deoxythymidine

Definition noun plural: deoxythymidines A pyrimidine nucleoside that has thymine attached to the pentose sugar... Read More

Glyceride

Definition noun, plural: glycerides (biochemistry) Any of the esters formed from glycerol reacting with fatty acids, and... 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

Spermatid

Spermatid Definition What are spermatids? Let us define spermatid and understand its role in reproduction. A spermatid... Read More

Cellulose

Cellulose Definition Cellulose is a polysaccharide consisting of a linear chain of β (1→4) linked D-glucose units:... Read More

Secondary succession

We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More

Enzyme activation

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

Erythroblast

Definition noun, plural: erythroblasts A nucleated red blood cell that develops into a reticulocyte Supplement The blood... Read More

De novo pathway

Definition noun, plural: de novo pathways (biochemistry) A biochemical pathway where a complex biomolecule is synthesized... Read More

Thyrotroph

Definition noun, plural: thyrotrophs The cell in the anterior pituitary that particularly releases thyroid-stimulating... Read More

Gen

Gen (Science: prefix) being born, producing, coming to be. Origin: g. Genos, birth (Science: suffix) Denotes precursor... Read More