Search Results for: dna
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
Mitochondrial DNA
Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More
Recombination DNA repair
Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... 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
DNA Structure & DNA Replication
Previous pages in this tutorial have described the basics of a cell, the energy required by these cells and how energy is... Read More
DNA polymerase
Definition noun, plural: DNA polymerases (molecular biology) An enzyme assisting in DNA replication Supplement Polymerases... Read More
How cell fixes DNA damage
DNA repair strategies DNA is crucial to life. It carries the fundamental blueprint for the proper functioning of a cell.... 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
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More
Recombinant DNA
Definition noun Genetically-engineered DNA molecule formed by splicing fragments of DNA from a different source or from... 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
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
Replication
Replication, in the general sense, is to create a copy or a duplicate. Thus, in biology, replication is commonly associated... Read More
Repetitive DNA
Definition noun (molecular biology) Repetitive nucleotide sequences in the DNA throughout the genome Supplement The... Read More
Mitochondrial DNA – hallmark of psychological stress
We often hear that stress can be unsettling as it could make us ill when it becomes chronic and overwhelming. However, is... 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
DNA polymerase I
Definition noun The first known DNA polymerase, encoded by polA gene, and is involved in DNA replication in... Read More
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
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Satellite DNA
Definition noun, plural: satellite DNAs (molecular biology) A portion of the DNA of a genome consisting of tandemly... Read More
Complementary DNA
Definition noun A double stranded DNA produced from the messenger RNA synthesis in a reaction catalyzed by an enzymes... 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
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
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Genetic material
Genetic Material Definition What is genetic material? Genetic material is the hereditary substance in the cell. It carries... Read More
Dna ligase
Dna ligase (Science: enzyme molecular biology) enzyme involved in dna replication. The dna ligase of E. Coli seals nicks in... Read More
Ribonucleic acid
Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More
Melting temperature of dna
melting temperature of DNA --> denaturation temperature of DNA That temperature at which, under a given set of... Read More
Gap 2-M DNA damage checkpoint
Definition noun (cell biology) A control mechanism in G2 phase of the cell cycle that ensures the cell is ready for cell... 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
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