61 results found

Search Results for: dna polymerase

DNA polymerase

Definition noun, plural: DNA polymerases (molecular biology) An enzyme assisting in DNA replication Supplement Polymerases... Read More

DNA polymerase II

Definition noun A DNA polymerase involved in DNA replication in prokaryotes, is encoded by polB gene, and composed of 783... Read More

DNA polymerase I

Definition noun The first known DNA polymerase, encoded by polA gene, and is involved in DNA replication in... 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

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

Mitochondrial DNA

Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... 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

Deoxyribonucleic acid

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

Nucleic acid

Definition noun plural: nucleic acid nu·cle·ic ac·id, nuˈkleɪ.ɪk ˈæsɪd Any of the group of complex compounds... Read More

RNA-dependent DNA polymerase

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

DNA replication

DNA Replication Definition DNA replication is the process of copying and duplicating a DNA molecule. The process is carried... Read More

Translation

In biology, translation is a step in protein biosynthesis where a genetic code from a strand of mRNA is decoded to produce a... Read More

Ribonucleic acid

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

Chloroplast DNA

Definition noun plural: chloroplast DNAs DNA in the chloroplast that carries the code for proteins and RNAs essential to... Read More

Apoenzyme

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

Mature mRNA

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

Precursor mRNA

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

Protein synthesis

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

Organelle

An organelle refers to any of the various cellular structures that perform a distinctive function inside a cell. The cell is... Read More

Protein Synthesis

If you have jumped straight to this page, you may wish to look at the previous tutorial about DNA, which gives background... Read More

DNA virus

Definition noun A virus containing DNA as its genetic material and using a DNA-dependent DNA polymerase during... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

Single stranded DNA virus

Definition noun Any of the viruses belonging to the Class II of Baltimore classification system characterized by having a... Read More

Double stranded DNA virus

Definition noun Any of the viruses belonging to the Class I of Baltimore classification system characterized by having a... 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

Ribosome

Definition noun plural: ribosomes ri·bo·some, ˈɹaɪbəˌsəʊm (cell biology) A minute, sphere-shaped particle... Read More

Polynucleotide

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

Oligonucleotide

Definition noun plural: mononucleotides ol·i·go·nu·cle·o·tide, ŏl′ĭ-gō-no͞o′klē-ə-tīd A short polymer... Read More

Pribnow box

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

Primer extension

Definition noun A method that uses the enzyme Reverse Transcriptase (RNA-dependent DNA polymerase) to determine the... Read More

Endoplasmic reticulum

Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More

Molecular genetics

Definition noun A branch of genetics that deal with the structure and function of genes at a molecular... Read More

Nuclear pore

Definition noun plural: nuclear pores ˈnu kli ər, pɔː Any of the many perforations on the nucleus as a result of the... 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

Escherichia coli

Definition A Gram-negative, facultatively anaerobic, rod-shaped species belonging to the family... 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

Transfer ribonucleic acid

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