27 results found

Search Results for: splicing

Splicing

splicing (Science: molecular biology) The process by which introns are removed from hnRNA to produce mature messenger RNA... Read More

Gene-splicing

The technology of preparing recombinant dna in vitro by cutting up dna molecules and splicing together fragments from more... Read More

Nuclear body

Definition noun plural: nuclear bodies nu·cle·ar bod‧y, ˈnjuː.kli.ər ˈbɒdi Any of the prominent non-membraned,... Read More

Nucleoplasm

Definition noun plural: nucleoplasm nu·cle·o·plasm, ˈnjuːklɪəˌplæzəm (cell biology) The protoplasm of the... Read More

Exon

When we look at the genome sizes and the organism complexity, it becomes quite confusing at times. This is because we... 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

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Intron

Definition noun, plural: introns (molecular biology) A noncoding, intervening sequence of DNA within a gene that is... Read More

Spliceosome

spliceosome (Science: molecular biology) A complex of small nuclear organelles in which the splicing and excision reactions... Read More

Transfer ribonucleic acid

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

Ribonucleic acid

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

Nucleolus

Nucleolus Definition noun plural: nucleoli nu·cle·o·lus, njuːˈkliːələs (cell biology) The round granular... Read More

HnRNA

Definition noun, plural: hnRNAs The abbreviated form for heterogeneous nuclear ribonucleic acid: an extrachromosomal RNA... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... 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

RDNA

Definition noun, plural: rDNAs An abbreviation for the following terms: ribosomal DNA recombinant DNASupplement rDNA can... Read More

Genetic Engineering Advantages & Disadvantages

 Through genetic engineering, scientists are able to move desirable genes from one plant or animal to another or... Read More

Restriction enzyme

Definition noun, plural: restriction enzymes An enzyme that catalyzes the cleavage of DNA at restriction sites, producing... Read More

Recombinant DNA

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

Precursor mRNA

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

Fibronectin

Fibronectin (Science: protein) glycoprotein of high molecular weight (2 chains each of 250 kd linked by disulphide bonds)... Read More

Split gene

Definition noun A gene that when transcribed results in pre-mRNA containing exons interrupted by introns Supplement Split... Read More

Protein synthesis

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

Sense strand

Definition noun, plural: sense strands Strand of DNA running from 5' to 3' complementing the antisense strand, and... Read More

Primary transcript

primary transcript (Science: molecular biology) rNA transcript immediately after transcription in the nucleus, before rNA... 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