270 results found

Search Results for: rna

RNA-DNA World Hypothesis?

How did life start as we know it? In the scientific community, the "RNA World Hypothesis" has many adherents. Many believed... 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

Ribonucleic acid

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

Nucleic acid

Nucleic Acid Definition A nucleic acid refers to any of the group of complex compounds consisting of chains of monomers of... Read More

SsRNA-RT virus

Definition noun, plural: ssRNA-RT viruses Single-stranded RNA virus with a positive sense, single stranded RNA genome but... Read More

A Protein Being Born – a live cell imaging of RNA translation

You probably already heard the concepts of translation in the central dogma of molecular biology. The dogma is an... Read More

RNA virus

Definition noun A virus containing RNA as its genetic material. The RNA may be single stranded or double stranded. Examples... 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

Anticodon

The anticodon is a special code on tRNA that matches up with the instructions on the mRNA thus making sure that the... Read More

RNA polymerase

Rna polymerase (RNAP or RNApol) is an enzyme that is responsible for making rna from a dna template. In all cells RNAP is... Read More

Ribosome

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

Phosphodiester bond

Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More

HnRNA

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

Ribosomal ribonucleic acid

Definition noun plural: ribosomal ribonucleic acids ri•bo•so•mal ri•bo•nu•cle•ic ac•id, ˈraɪ... Read More

Deoxyribonucleic acid

Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More

Pyrimidine

Definition noun plural: pyrimidines py·rim·i·dine, py·rim·i·dine A heterocyclic aromatic compound that presents as... Read More

RNA-dependent DNA polymerase

Definition noun A DNA polymerase enzyme that catalyzes the process of reverse transcription. Supplement This enzyme... 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

Chromosomal rna

Chromosomal rna rna associated with the chromosome (not mrna, trna, or rRNA) that may have a role in... Read More

Base-pairing rule

Base-pairing Rules Definition The base-pairing rules are rules that apply during the pairing between one purine and one... Read More

Protein synthesis

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

Genetic Material Definition What is genetic material? Genetic material is the hereditary substance in the cell. It carries... Read More

Polynucleotide

Definition noun plural: polynucleotides pol·y·nu·cle·o·tide, ˌpɒlɪˈno͞o′klē-ə-tīd A biopolymer comprised of... Read More

Living things

Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More

Cytosine

Definition noun plural: cytosines cy·to·sine, ˈsaɪtəsiːn (biochemistry) A pyrimidine nucleobase that complementary... 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

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Ribosomal DNA

Definition noun DNA sequence that codes for ribosomal RNA Supplement Ribosomal DNA is the sequence of DNA that codes for... Read More

Nucleobase

Definition noun plural: nucleobases (biochemistry) The base in the nucleic acid, e.g. purines and pyrimidines Details ... Read More

Pribnow box

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

Ribozyme

Definition noun, plural: ribozymes RNA molecule that acts as an enzyme in the aminotransferase activity of the ribosome and... Read More

Purine

Definition noun plural: purines pu•rine, ˈpjʊəɹiːn A heterocyclic aromatic compound with a chemical structure... Read More

Uracil

Definition noun plural: uracils u·ra·cil, ˈjʊərəsɪl (biochemistry) A pyrimidine nucleobase in RNA that... Read More

Guanine

Definition noun plural: guanines gua·nine, ˈɡwɑː.niːn (biochemistry) A purine nucleobase that complementary pairs... Read More

Nucleolus

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

Single-stranded DNA

What is single-stranded DNA? DNA is the material that living organisms possess that carries their genetic make-up. DNA and... Read More