Search Results for: segment
Axon hillock
Axon Hillock Definition What is axon hillock? If you are familiar with the different parts of the neuron, the axon hillock... Read More
Parasegment
Definition noun, plural: parasegments The fundamental unit of Drosophila development, which is made up of portions of two... Read More
Intermaxillary segment
Intermaxillary segment The primordial mass of tissue formed by the merging of the medial nasal prominences of the embryo; it... 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
Conjugation
Conjugation generally means the joining or coming together (union), such as in certain unicellular organisms (some bacteria,... Read More
Chromosomal mutation
Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... Read More
Peristalsis
What is Peristalsis? Peristalsis is the series of involuntary, wave-like muscle movements in the cylindrical, hollow tube... Read More
Segmentation
Definition noun, plural: segmentation (1) (embryology) Cleavage, i.e. the repeated division of a fertilized ovum forming... Read More
Metamerism
Metamerism Definition Metamerism is the repetition of homologous body segments. This type of development can be seen in the... Read More
Transposon
Definition noun, plural: transposons A small segment of DNA that is capable of replicating and inserting copies of DNA at... Read More
Transposition
Definition noun, plural: transpositions (genetics) The transfer of a segment of DNA from one site to another of a... Read More
Promoter gene
Definition noun, plural: promoter genes (genetics) A site in a DNA molecule at which RNA polymerase and transcription... Read More
Chromosomal inversion
Definition noun, plural: chromosomal inversions A chromosomal aberration wherein a segment of a chromosome is reversed... Read More
Pericentric inversion
Definition noun, plural: pericentric inversions (genetics) An inversion of a segment of chromosome in which the centromere... Read More
Paracentric inversion
Definition noun, plural: paracentric inversions (genetics) An inversion of a segment of chromosome in which the centromere... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Pair-rule gene
Definition noun A segmentation gene whose expression subdivides the embryo into a series of stripes, and sets the boundaries... Read More
Armadillidiidae
Definition noun A taxonomic family comprised of terrestrial woodlouse species that are identifiable chiefly by their... Read More
Messenger ribonucleic acid
Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More
Translation
Translation, in general, is the conversion of something into another form, such as a word from one language to another. But... Read More
Genetic Information and Protein Synthesis
Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More
Fushi tarazu
Definition noun (1) A pair-rule gene which, together with even-skipped, plays a crucial role in the activation of the... Read More
Reproductive system
What is the Reproductive System? The reproductive system of an organism is the biological system made up of all the... Read More
Microscopic section
microscopic section --> section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part... Read More
Ribonucleic acid
Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More
Smooth endoplasmic reticulum
Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More