ribosomal RNA (r
RNA)
a
species of
RNA molecule that plays a poorly understood role in the structure and function of
ribosomesSource: Jenkins, John B. 1990.
Human Genetics, 2nd Edition. New York: Harper & Row ...
Full article >>>Ribosomal RNA precursors in both procaryotes and eucaryotes must be processed to yield the mature r
RNAs.
Facts ...
Full article >>>Ribosomal RNA (r
RNA)
This type of
RNA is a structural component of the
ribosomes. It does not contain a genetic
message.
Transfer RNA (t
RNA) ...
Full article >>>Ribosomal RNA (r
RNA)
Main article:
Ribosomal RNARibosomal RNA (r
RNA) is a component of the
ribosomes, the
protein synthetic factories in the
cell. Eukaryotic
ribosomes contain four different r
RNA molecules: 18S, 5.8S, 28S, and 5S r
RNA.
Full article >>>Ribosomal RNA (r
RNA) A
class of
RNA found in the
ribosomes of
cells.
Ribosomes Small cellular components composed of specialized
ribosomal RNA and
protein;
site of
protein synthesis.
See also:
RNA ...
Full article >>>Ribosomal RNA (r
RNA)
There are 4 kinds. In
eukaryotes, these are
18S r
RNA. One of these
molecules, along with some 30 different
protein molecules, is used to make the small subunit of the
ribosome.
28S, 5.8S, and 5S r
RNA.
Full article >>>ribosomal RNA One of the three types of
RNA; r
RNA is a structural component in
ribosomes.
ribosomal subunits Two units that combine with m
RNA to form the ribosomal-m
RNA complex at which
protein synthesis occurs.
Full article >>>Ribosomal RNA (r
RNA): A
class of
RNA found in the
ribosomes of
cells.
Ribosome : The small cellular structure in which
RNA translates the
genetic code into
proteins.
RNA: See
Ribonucleic acid.
Full article >>>ribosomal RNA (r
RNA)
The most abundant type of
RNA. Together with
proteins, it forms the structure of
ribosomes that coordinate the sequential
coupling of t
RNA molecules to the series of m
RNA codons.
ribosome ...
Full article >>>Ribosomal RNA is universal. It occurs in every living
organism. In a typical
bacterial
cell there are on the
order of ten or more thousands of copies of the
ribosome.
Full article >>>ribosomal RNA A form of
ribonucleic acid that makes up a portion of
ribosomes.
Full article >>>Ribosomal RNA (r
RNA). The
RNA component of the
ribosome. (See
RNA.)
Ribosome. Cellular
organelle that is the
site of
protein synthesis during
translation. See
Organelle,
Translation.
Full article >>>Ribosomal RNA (r
RNA): A
class of
RNA found in the
ribosomes of
cells.
Ribozyme: A catalytically active
RNA. A good example is the hepatitis delta
virus RNA which is capable of self-
cleavage and self-
ligation in the absence of
protein enzymes.
Full article >>>r
RNA:
ribosomal RNA;
RNA molecules that function to manufacture
ribosomes.
S
salivary glands: the parotid glands, the submaxillary glands, and the sublingual glands that secrete saliva into the
mouth.
Full article >>>r
RNA -
Ribosomal RNA (four sizes in
humans: 5S, 5.8S, 18S, and 28S);
RNA component of the
ribosome, which may play catalytic roles in
translation.
Full article >>>r
RNA: "
ribosomal RNA"; any of several
RNAs which become part of the
ribosome, and thus are involved in
translating m
RNA and synthesizing
proteins. They are the most abundant
RNA in the
cell (on a mass basis).
Full article >>>ribosome -- (
ribosomal RNA)
rift -- n. A
long, narrow crack in the entire thickness of the Earth's crust, which is bounded by normal faults on either side and forms as the crust is pulled apart; v. To split the Earth's crust; rift zone- n.
Full article >>>Related Terms:
Ribosomal RNA (r
RNA)
A
class of
RNA found in the
ribosomes of
cells.
Protein ...
Full article >>>Ribosomal RNA (r
RNA). The
RNA component of the
ribosome. (See
RNA.)
Ribosome. Cellular
organelle that is the
site of
protein synthesis during
translation. See
Organelle,
Translation.
Ribosome-
binding site.
Full article >>>It is a con
sequence of
ribosomal RNA (r
RNA) synthesis:
nucleolar organizers , special regions on some
chromosomes that contain multiple copies of the genes encoding for r
RNA (which is involved in
protein biosynthesis), ...
Full article >>>RNA polymerase I - makes the large
ribosomal RNAs
RNA polymerase II -
transcribes genes whose
RNA's will be
translated into
proteinsRNA polymerase III - makes a
variety of very small, stable
RNAs including 5s
ribosomal RNAs and
transfer RNAs ...
Full article >>>Regions of non-
transcribed
DNA between
transcribed repeated genes such as
ribosomal RNA genes in
eukaryotes. Its function is probably to do with ensuring the high rates of
transcription associated with these genes.
Full article >>>Gene The genetic unit of function. A
gene may encode a
polypeptide or a
molecule of non-
translated
RNA (e.g.
ribosomal RNA,
transfer RNA, or a regulatory
RNA).
Gene amplificationMultiple copies of a single
gene within a
cell.
Full article >>>ribosome - part of
protein synthetic machinery, made of
ribosomal RNAs and
proteins.
RNA polymerase -
protein that synthesizes
RNA from a
DNA template.
Back to the Top ...
Full article >>>This chain of events involving
RNA transcription, and
polypeptide translation is referred to as
gene expression. Some genes encode other
elements such as
ribosomal RNAs and
transfer RNAs, both of which are involved in
protein synthesis.
Full article >>>ribosomal RNA (r
RNA) A
class of
RNA molecules serving as major structural components of
ribosomes.
ribosome A supramolecular complex of r
RNAs and
proteins. Composed of a large and a small subunit which together are the
site of
protein synthesis.
Full article >>>'"/>