Terms : Hide Images
| 6529700252 | Barr Body | dark staining body in the cell nuclei of female mammals that contains a condensed inactive X chromosome | 0 | |
| 6529706993 | carcinogens | environmental agent that causes mutations leading to the development of cancer. | 1 | |
| 6529714314 | chromatin | network of DNA strands and associated proteins observed within a nucleus of a cell | 2 | |
| 6529723133 | DNA repair enzyme | one of several enzymes that restore the original base sequence in an altered DNA strand | 3 | |
| 6529730865 | enhancer | DNA sequence that acts as a regulatory element to increase the level of transcription when regulatory proteins bind to it. | 4 | |
| 6529737803 | epigenetic inheritance | an inheritance pattern in which a nuclear gene has been modified but the changed expression of the gene is not permanent over many generations | 5 | |
| 6529745993 | frameshift mutation | insertion of deletion of at least one base, so that the reading of the corresponding mRNA changes | 6 | |
| 6529751401 | gene mutations | altered gene whose sequence of bases differs from the original sequence | 7 | |
| 6529758547 | induced mutation | mutation that is caused by an outside influence | 8 | |
| 6529764060 | inducer | molecule that brings about activity of an operon by joining with a repressor and preventing it from binding to the operator | 9 | |
| 6529773806 | microRNA | short sequences of RNA, usually less than 22 nucleotides, that are involved in posttranscriptional regulation of gene expression. | 10 | |
| 6529783163 | mutagens | chemical or physical agent that increases the chance of mutation | 11 | |
| 6529786482 | operator | the sequence of DNA that serves as a binding site for a repressor, and thereby regulates the expression of structural genes. | 12 | |
| 6529795014 | operon | group of structural and regulating genes that function as a single unit. | 13 | |
| 6529802907 | point mutations | change of only one base in the sequence of bases in a gene | 14 | |
| 6529809007 | posttranscriptional control | gene expression following transcription that regulates the way mRNA transcripts are processed | 15 | |
| 6529815576 | posttranslational control | alternation of gene expression by changing a protein's activity after it is translated | 16 | |
| 6529818693 | promoter | a sequence of DNA where RNA polymerase binds prior to transcription | 17 | |
| 6529823112 | proteases | enzyme that breaks the peptide bonds between amino acids in proteins, polypeptides, and peptides | 18 | |
| 6529831472 | proteasome | cellular structure containing proteases that is involved in the destruction of tagged proteins | 19 | |
| 6529841996 | regulator gene | gene that controls the expression of another gene or genes | 20 | |
| 6529844990 | RNA interference | cellular process that utilizes miRNA and siRNA molecules to reduce, or inhibit, the expression of specific genes | 21 | |
| 6529856790 | spontaneous mutation | mutation that arises as a result of anomalies in normal biological processes, such as mistakes made during DNA replication | 22 | |
| 6529861602 | structural genes | gene that codes for the amino acid sequence of a peptide or protein | 23 | |
| 6529869016 | transcriptional activator | protein that participates in the initiation of transcription by binding to the enhancer regulatory regions | 24 | |
| 6529880106 | transcriptional control | control of gene expression by the use of transcription factors, and other proteins, that regulate either the initiation of transcription or the rate at which it occurs | 25 | |
| 6529892412 | transcriptional factor | in eukaryotes, protein required for the initiation of transcription by RNA polymerase | 26 | |
| 6529900021 | translational control | gene expression regulated by influencing the interaction of the mRNA transcripts with the ribosome. | 27 |
