General Biology: Definitions and explanations page 8 PDF | Download eBooks
Learn general biology terms with definitions and explanations, biology terminologies (Page 8) for biology degree programs.
- What is Lysogenic cycle?
Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction. lysogeny is characterized ... - What is Temperate phage?
Temperate phages are those that incorporate their viral genome in the host genome and coexist with ... - What is Prophage?
A prophage is a bacteriophage genome inserted and integrated into the circular bacterial dna chromosome or ... - What is Retrovirus?
A retrovirus is a type of rna virus that inserts a copy of its genome into ... - What is Reverse transcriptase?
A reverse transcriptase (rt) is an enzyme used to generate complementary dna (cdna) from an rna ... - What is Provirus?
Some viruses for example the retro viruses have he ability to incorporate their genome in the ... - What is Vaccine?
According to who, a vaccine is a biological preparation that improves immunity to a particular disease. ... - What is Epidemic?
A widespread occurrence of an infectious disease in a community at a particular time. for example ... - What is Pandemic?
A pandemic is an epidemic or an outbreak of an infectious disease, that spreads worldwide. when ... - What are Viroids?
Viroids are circular rna molecules, only a few hundred nucleotides long, that infect plants. viroids do ... - What are Prions?
A prion is a type of protein that can trigger normal proteins in the brain to ... - What is Biotechnology?
Biotechnology is the broad area of biology involving living systems and organisms to develop or make ... - What is Nucleic acid hybridization?
Single-stranded deoxyribonucleic acid (dna) or ribonucleic acid (rna) molecules anneal to complementary dna or rna. though ... - What is Genetic engineering?
Genetic engineering, also called genetic modification or genetic manipulation, is the direct manipulation of an organism's ... - What is DNA sequencing?
Dna sequencing is the process of determining the nucleic acid sequence which is the precise order ... - What is DNA cloning?
Dna cloning is a molecular biology technique that makes many identical copies of a piece of ... - What are Plasmids?
A plasmid is a small, circular, double-stranded dna molecule that is distinct from a cell's chromosomal ... - What is Recombinant DNA?
Recombinant dna (rdna) molecules are dna molecules formed by laboratory methods of genetic recombination for example ... - What is Recombinant bacterium?
Recombinant dna (rdna) molecules are dna molecules formed by laboratory methods of genetic recombination for example ... - What is Gene cloning?
Gene cloning is the process in which a gene of interest is located and copied out ... - What is Cloning vector?
A cloning vector is a small piece of dna, taken from a virus, a plasmid, or ... - What are Restriction enzymes?
Restriction enzymes are those enzymes that have specific cutting sites on the dna. they will not ... - What is Restriction site?
Restriction sites, or restriction recognition sites, are locations on a dna molecule containing specific sequences of ... - What is Restriction fragment?
A restriction fragment is a dna fragment resulting from the cutting of a dna strand by ... - What is Sticky end?
Overhangs are called cohesive ends or sticky ends. they are most often created by restriction endonucleases ... - What is Gel electrophoresis?
Gel electrophoresis is a laboratory method used to separate mixtures of dna, rna, or proteins according ... - What is Polymerase chain reaction?
A technique used to amplify the number of dna copies present in a sample. sometimes the ... - What is Expression vector?
An expression vector, otherwise known as an expression construct, is usually a plasmid or virus designed ... - What is Electroporation?
Electroporation, or electro permeabilization, is a microbiology technique in which an electrical field is applied to ... - What is Nucleic acid probe?
A nucleic-acid fragment that is complementary to another nucleic-acid sequence and thus, when labeled in some ... - What is In situ hybridization?
In situ hybridization (ish) is a type of hybridization that uses a labeled complementary dna, rna ... - What is RT-PCR?
Reverse transcription polymerase chain reaction (rt-pcr) is a laboratory technique combining reverse transcription of rna into ... - What is Complementary DNA?
In genetics, complementary dna (cdna) is dna synthesized from a single-stranded rna (e.g., messenger rna (mrna) ... - What is DNA microarray?
A dna microarray (also commonly known as dna chip or biochip) is a collection of microscopic ... - What is In vitro mutagenesis?
In vitro mutagenesis is a site-directed mutagenesis allows various types of directed changes to be made ... - What are Genome wide association studies?
In genetics, a genome-wide association study, also known as whole genome association study, is an observational ... - What is SNP?
Single nucleotide polymorphisms, frequently called snps, are the most common type of genetic variation among people. ... - What is Stem cell?
A stem cell is a cell with the unique ability to develop into specialized cell types ... - What are Totipotent cells?
Cell potency is a cell's ability to differentiate into other cell types. the more cell types ... - What is Nuclear transplantation?
Nuclear transplantation is a method in which the nucleus of a donor cell is relocated to ... - What is Pluripotent?
Pluripotent cells are able of give rise to several different cell types. pluripotent cells can be ... - What is Transgenic animal?
Transgenic animals are animals that have had a foreign gene deliberately inserted into their genome. such ... - What is Genetic profile?
Genetic profile is the information about specific genes and markers, including variations and gene expression, in ... - What are Short tandem repeats?
A short tandem repeat is a microsatellite, consisting of a unit of two to thirteen nucleotides ... - What is Genetically modified organism?
Genetically modified organisms are the same as transgenic animals. these are those animals that have had ... - What is Metagenomics?
Metagenomics is the study of genetic material recovered directly from environmental samples. the broad field may ... - What is Gene annotation?
Dna annotation or genome annotation is the process of identifying the locations of genes and all ... - What is Proteome?
The proteome is the entire set of proteins that is, or can be, expressed by a ... - What is Proteomics?
Proteomics is the large-scale study of proteins. proteins are vital parts of living organisms, with many ... - What is Systems biology?
Systems biology is the computational and mathematical modeling of complex biological systems. it is a biology-based ... - What are Pseudogenes?
Pseudogenes, sometimes referred to as zombie genes in the media, are segments of dna that are ... - What is Repetitive DNA?
Repeated sequences are also known as repetitive elements, repeating units or repeats, and are patterns of ... - What are Transposable elements?
Transposable elements are also known as "jumping genes" or transposons, are sequences of dna that move ... - What is Simple sequence DNA?
A simple sequence dna is the same as a short tandem repeat or a microsatellite. t ... - What are Short tandem repeats?
A short tandem repeat is a microsatellite, consisting of a unit of two to thirteen nucleotides ... - What is Multigene?
A gene family is a set of several similar genes, formed by duplication of a single ... - What is Highly conserved?
Sequences or features that have remained the same over a long period of time are said ... - What is Evolution?
Evolution is change in the heritable characteristics of biological populations over successive generations. these characteristics are ... - What are Fossils?
A fossil is any preserved remains, impression, or trace of any once-living thing from a past ... - What is Strata?
A stratum is defined as a layer of sedimentary rock or soil, or igneous rock that ...