Search Results for: restriction
Restriction enzyme
Definition noun, plural: restriction enzymes An enzyme that catalyzes the cleavage of DNA at restriction sites, producing... Read More
Ecori restriction enzyme
Ecori restriction enzyme (Science: enzyme molecular biology) a commonly-used restriction enzyme (enzyme which will cleave... Read More
Restriction fragments
restriction fragment (Science: molecular biology) The fragments of dNA generated by digesting DNA with a specific... Read More
Cleavage site
Definition noun, plural: restriction sites The site in a polynucleotide chain as to where the restriction enzyme cleaves... Read More
Restriction point
The "point of no return" in the G1 phase of the cell cycle; once a cell proceeds beyond Start, it proceeds through the rest... Read More
New Zealand’s Biodiversity
Written by: Maria Victoria Gonzaga Peer-reviewed by: Cathy Buntting, Ph.D. and Andrea Soanes Why is New... 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
Cohesive end
Definition noun, plural: cohesive ends (molecular biology) A fragment of DNA (often produced by a staggered cut on the DNA... Read More
Sticky end
Definition noun, plural: sticky ends (molecular biology) A fragment of DNA (often produced by a staggered cut on the DNA... Read More
Limitation
1. The act of limiting; the state or condition of being limited; as, the limitation of his authority was approved by the... Read More
Hypertrophy
Hypertrophy Definition Hypertrophy refers to the enlargement or increase in the size of an organ or tissue due to the... Read More
Intercalary meristem
The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More
Recombinant DNA
Definition noun Genetically-engineered DNA molecule formed by splicing fragments of DNA from a different source or from... Read More
Heterochrony
Definition noun, plural: heterochronies Refers to the rate of morphological transformations accomplish by the developmental... 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
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More
Modification enzyme
modification enzyme (Science: enzyme molecular biology) An enzyme that introduces minor bases into dNA or rNA or that alters... Read More
Localisation
Localisation 1. The determination of the site or place of any process or lesion. 2. Restriction to a circumscribed or... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... Read More
Residual volume
Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More
Valence electron
What are valence electrons? Why are they significant? Valence electrons definition in chemistry: The electrons in an atom's... Read More