45 results found

Search Results for: initiation

Initiation

Definition noun (general) The beginning of a state or of a process; the act of initiating Supplement In general sense, the... 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

Initiation codon

Initiation codon The codon 5' AUG in mrna, at which polypeptide synthesis is started. It is recognised by formylmethionyl... Read More

Protein synthesis

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

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

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Gene

A gene is the fundamental, physical, and functional unit of heredity. The genes make up the sequences of DNA (genotypes).... Read More

Elongation

Definition noun (general) The state, act, or process of lengthening Supplement In general, the term elongation refers to the... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Enzyme

Reviewed by: Todd Smith, PhD Definition noun plural: enzymes en·zyme, ˈɛnzaɪm (biochemistry) A... Read More

Ribosome

A biological cell is composed of many components called organelles. These organelles serve their specific purposes to make... Read More

Chondroblast

There are two forms of cells in cartilage: chondroblasts and chondrocytes. The chondroblasts are cells that secrete the... Read More

Mature mRNA

Definition noun plural: mature mRNAs The completely processed mRNA molecule in the cell of eukaryotes Details Overview... Read More

Promoter gene

Definition noun, plural: promoter genes (genetics) A site in a DNA molecule at which RNA polymerase and transcription... Read More

Recombinant DNA

Definition noun Genetically-engineered DNA molecule formed by splicing fragments of DNA from a different source or from... Read More

Axon terminal

An axon terminal is any of the button-like endings of axons through which axons make synaptic contacts with other nerve... Read More

Apoenzyme

Enzymes are biological catalysts that can increase the rate of chemical reactions in living organisms. Enzymes can only... Read More

Bud stage

Definition noun (dentistry) The first stage in a developing tooth where a tooth bud forms from the dental... Read More

Lymphoid organ

Definition noun, plural: lymphoid organs The organ of the lymphatic system, and carries out various immune... Read More

Sex-determining Region Y gene

Definition noun The gene that codes for the SRY protein, which is associated with the testicular development in many male... 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

Transfer ribonucleic acid

Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More

Neural Control Mechanisms

Nerve cells called neurons generate electric signals that pass from one end of the cell to another and release chemical... Read More

Precursor mRNA

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

Termination

Definition noun (general) The process, act, or state of terminating (biochemistry) A process in which the mRNA synthesis... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or break down of the dead organism are known as... Read More

Promoter

Definition noun, plural: promoters (chemistry) A substance that is capable of increasing the activity of a catalyst to... Read More

Promotions

promotion stimulation of tumour induction, following initiation, by a promoting agent which may of itself be... Read More

Putative

Putative Definition What is putative? The word putative denotes to a supposition that is based on what is commonly... Read More

Pribnow box

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

Shine-dalgarno sequence

shine-dalgarno sequence A short stretch of nucleotides on a prokaryotic mRNA molecule upstream of the translational start... Read More

Downstream

Downstream 1. (Science: molecular biology) portions of dna or rna that are more remote from the initiation sites and that... Read More

Afferent Nerve

Afferent Nerve Definition The word ‘aferent’ means "steering or conducting something towards a destination". The... Read More

Up mutation

up mutation (Science: molecular biology) refers to any mutation in the promoter region of a gene which can trigger... Read More

Isoenzyme

Isozymes (also known as isoenzymes) are enzymes that differ in amino acid sequence but catalyze the same chemical reaction.... Read More

Frameshift mutation

Define Frameshift Mutation What is a frameshift mutation? In biology, insertions or deletions of nucleotides in the coding... Read More

Operator region

operator region (Science: genetics) dNA sequences which signal the initiation of transcription when... Read More

Codon initiator

Codon, initiator Any codon that directs initiation of genetic translation (translation, genetic) by stimulating the binding... Read More