Molecular Biology: Definitions and explanations page 1 PDF | Download eBooks
Learn molecular biology terms with definitions and explanations, molecular biology terminologies (Page 1) for science degree programs.
- What is AAUAAA?
Aauaaa is an important hexamer sequence polyadenylation signal in animals, that causes polyadenylation and cleavage about ... - What is A Site (Ribosomal)?
The a site in ribosome is the entry point for the 'aminoacyl trna ', (except for ... - What is A Site (RNA Polymerase)?
A' site in the rna polymerase is an active site of the rna polymerase, where the ... - What are Abortive Transcripts?
Abortive transcripts are short rna transcripts, about 6 nt long, that are produced at prokaryotic promoters. ... - What is Ac?
Ac is a group of active maize transposing elements, which carry on transposition in a wide ... - What is Accommodation?
Accommodation is a term that is used to describe the position of aminoacyl-trna, which does not ... - What is Acidic Domain?
Acidic domain, as the name implies, is an amino acid rich, transcription activating domain in cells. ... - What is Aconitase?
Aconitase is an enzyme, which, in apoprotein form (iron lacking form) binds to the iron response ... - What is Activation Region I (ARI)?
Activation region i is the region of cap subunit that binds to the ctd (carboxyl-terminal domain) ... - What is Activation Region II (ArII)?
Activation region ii is the region of cap subunit, that binds to the ntd( amino terminal ... - What is Activation Site?
Activation site is the specific site on an aminoacyl-trna synthetase, which activates the amino acid, resulting ... - What is Activator?
An activator is a protein (transcription factor) that activates transcription by binding to an activator-binding region ... - What is Activator-Binding Site?
In prokaryotes, activator binding site is that part of the dna to which transcription activator (transcription ... - What is Adenine?
Dna glycosylases are a group of enzymes that are responsible for base excision repair. adenine dna ... - What is Adenosine Deaminase Acting on RNA (ADAR)?
Adar gene (adenosine deaminase acting on rna) in humans, encodes the double stranded rna specific enzyme, ... - What is A-DNA?
A-dna is a form of dna, a biologically active double helical structure, which is assumed in ... - What is Affinity Chromatography?
Affinity chromatography is a chromatography method, used to separate biochemical mixture that involves a highly specific ... - What is Affinity Labeling?
Affinity labeling is a strategy to chemically modify an amino acid residue, within a ligand-binding site ... - What is A1492 and A1493?
A1492 and a1493 are two universally conserved bases in 16s rrna that are critical for codon ... - What is Ago3?
Ago3 is an argonaute protein that is predicted to have mrna binding activity. then, in association ... - What is Alarmone?
Alarmone is a compound that is produced in an organism, in response to harsh environmental factors, ... - What is Alkylation?
Alkylation is basically the transfer of an alkyl group (carbon containing group) from one molecule to ... - What is Allele-Specific RNAi?
Rnai (rna interference) or sequence-specific posttranscriptional gene silencing, is induced by small double stranded rnas, called ... - What is Allolactose?
Allolactose consists of monosaccharides d-glucose and d-galactose linked through a β1-6 glycosidic linkage, to form a ... - What is Allosteric Protein?
An allosteric protein is one, with multiple ligand binding sites. the binding of a molecule at ... - What is Alternative Splicing?
Alternative splicing or differential splicing is means splicing of the same pre-rna in more than one ... - What is Alu Element?
An alu element is a short fragment of the dna (containing the agct sequence), which is ... - What is Amber Codon?
Amber codon is a stop codon (a codon responsible for the termination of translation). there are ... - What is Amber Suppressor?
Amber suppressor is a mutant allele, coding for a trna, bearing an anticodon to recognize the ... - What is Amino Acid?
Amino acids, the building blocks of proteins, are organic compounds, made up of amine and carboxyl ... - What is Aminoacyl-amp?
Aminoacyl-amp is a complex, comprising of an activated amino acid linked to the phosphate group of ... - What is Aminoacyl-tRNA?
The aminoacyl-trna (also called charged trna or aa-trna) is a transfer rna, which has its cognate ... - What is Aminoacyl-tRNA Synthetase?
An aminoacyl-trna synthetase is the enzyme that is responsible for attaching a trna to its relevant ... - What is Amino Tautomer?
An amino tautomer is the normal tautomer of the nucleotides, cytosine or adenine, found in nucleic ... - What is Amino Terminus?
Amino terminus or n-terminus is that end of a peptide or a protein primary structure, in ... - What is Amplification?
Amplification in genetics is the selective replication of a gene, resulting in the production of more ... - What is Anabolic Metabolism?
Anabolism or anabolic metabolism is the process by which molecules are constructed from simple precursors. they ... - What is Annealing Of DNA?
Annealing of dna in genetics means the process of reuniting the two strands of a denatured ... - What is Annotated Genes?
Annotated genes are those genes, or gene like sequences from the coding regions in a genome, ... - What is Antibody?
An antibody is a large (y shaped) protein, which has the ability to recognize and bind ... - What is Anticodon?
An anticodon is a sequence of three bases in a transfer rna, that are complementary to ... - What is Anticodon Loop?
The anticodon is a three-nucleotide unit, corresponding to the three bases of the mrna codon. this ... - What is Antigen?
Antigen (ag) is a structure or a substance that is recognized and specifically bound by an ... - What is Antiparallel?
In biochemistry, two biopolymers (like the two strands in a dna double helix) are termed as ... - What is Antirepression?
Antirepression is the prevention of repression during transcription, by activators such as histones or other transcription-inhibiting ... - What is Antisense RNA?
Antisense rna (also called antisense transcript, antisense oligonucleotide or natural antisense transcript nat) is a single ... - What is Antiserum?
An antiserum is a human or nonhuman blood serum containing antibodies (either monoclonal or polyclonal), directed ... - What is Anti σ-Factor?
Anti- σ-factor (anti sigma factor) is an antagonist to the sigma factor that acts by binding ... - What is Anti-Anti σ-Factor?
Anti-anti- σ-factor is a protein that causes the release of the σ-factor, from the "anti-σ-factor-σ-factor" complex, ... - What is Anti-Anti-Anti σ-Factor?
Anti-anti-anti- σ-factor is a protein that is associated with the series of sigma factor reactions during ... - What is Antiterminator?
Antiterminator proteins are the proteins used by some pages to regulate the gene expression from one ... - What is AP-1?
Ap-1 stands for the activator protein 1, which is a transcription activator that regulates the expression ... - What is AP Endonuclease?
Ap endonuclease stands for apurinic/apyrimidinic endonuclease, an enzyme that functions in the dna base revision repair ... - What is APE1 (AP Endonuclease 1)?
Human apurinic/apyrimidinic endonuclease 1 (ape1) is a mammalian enzyme, that plays a key role in the ... - What is AP Site?
In molecular genetics and biochemistry, an apurinic or apyrimidinic site (ap site), also called an abasic ... - What is Aporepressor?
An aporepressor is a repressor, without its compressor, in an inactive form. it combines with a ... - What is Aptamer?
An aptamer is a nucleic acid, usually an rna, or it can be a region of ... - What is Apurinic Site (AP Site)?
Apurinic site (ap site) is the location on a dna strand (or in rna sometimes), that ... - What is Apyrimidinic Site (AP Site)?
Apyrimidinic site (ap site) is a site in the dna molecule which does not have a ... - What is AraC?
Arac is a dimeric repressor, that is a negative regulator of the ara operon. one monomer ...