Kilobase (kb) Unit of length for
DNA fragments equal to 1000
nucleotides.
Knockout Deactivation of specific genes; used in laboratory
organisms to study
gene function.
See also:
gene,
locus, model
organisms
Updated 26-Aug-06 ...
Full article >>>Kilobase (Kb or Kbp)
1000
nucleotides of
DNA or
RNA.
Kinase An
enzyme that
transfers phosphate from
ATP to another
molecule.
Full article >>>KILOBASE - Unit of 1000
nucleotide bases, either
RNA or
DNA.
KINASE - See
PHOSPHORYLATION.
Full article >>>Kilobase (kb): Unit of length for
DNA fragments equal to 1000
nucleotides.
Full article >>>They typically lie
upstream of the
gene and can have regulatory
elements several
kilobases away from the
transcriptional start
site.
Full article >>>One first constructs a map of the
chromosomes, marking them at regular intervals of about 100
kilobases (kb). Then, known
segments of the marked
chromosomes (which can contain very small fragments of
DNA) are
cloned in
plasmids.
Full article >>>Enhancers can act on
promoters over many tens of
kilobases of
DNA and can be 5' or 3' to the
promoter they regulate. A eukaryotic
DNA sequence that increases
transcription of a region even if the
enhancer is distant from the region being
transcribed.
Full article >>>7
megabases (1,700,000
bases), while the mature (processed) neurexin m
RNAs are under 10
kilobases (10,000
bases), with as many as 24
exons and thousands of possible alternative splice variants that produce
proteins with different activities.
Full article >>>Introns are spliced out of the
RNA transcript during its
processing to m
RNA.
kbp
kilobase pairs. A measure of size of double-
stranded
DNA.
Kinasing =
phosphorylation.
Full article >>>'"/>