In many cases, signaling factors maintain the stem cell in an uncommitted state.

TLS Online TPP Program

#Id: 2742

#Unit 13. Methods in Biology

Random amplified polymorphic DNA (RAPD) is a DNA marker that is defined by differences between individuals in terms of DNA regions either being or not being; amplified in a polymerase chain reaction primed by random oligonucleotide (usually, 10-mer) sequences. 

TLS Online TPP Program

#Id: 10397

#Unit 4. Cell Communication and Cell Signaling

Mutations in three broad classes of genes have been implicated in the onset of cancer. 

Protooncogenes

Tumor-suppressor genes

genome maintenance genes

TLS Online TPP Program

#Id: 6821

#Unit 8. Inheritance Biology

Most continuously varying characteristics are both polygenic and influenced by environmental factors, and these characteristics are said to be multifactorial. 

TLS Online TPP Program

#Id: 5935

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 2830

#Unit 13. Methods in Biology

Affinity chromatography used for the purification of enzymes, nucleotides, nucleic acids, immunoglobulins, membrane receptors and even to whole cells and cell fragments.