removal

Walking legs

...ters, hermit crabs, and crabs. decarboxylation The removal of a single carbon atom as CO2 from an organ ic molecule . Full article >>> So for example, in a lobster, if we were able to express UBX throughout the thorax , we would expect that instead of having the five pairs of walking l...

Suppression

...a repressor of transposition . In germ cells , removal of the intron is allowed. The active transposase is made. This is an example of regulation by differential splice site suppression . Full article >>>...

Splicing

...ull article >>> RNA splicing The removal of noncoding portions ( introns ) of the RNA molecule after initial synthesis. rod cell ... Full article >>> RNA SPLICING - A complex and incompletly understood series of reactions occuring in the nucleus of eukaryotic cel...

Somatic cells

...Full article >>> In somatic cells , removal of the 5' most intron is prevented, so that a truncated protein , missing sequence encoded by the last exon , is produced P element pre-mRNA . The resulting truncated protein acts as a repressor of transposition . Full article >>...

Somatic cell

... and therapeutic purposes. The diagram depicts the removal of the donor nucleus for schematic purposes; in ...ll article >>> In somatic cell s , removal of the 5' most intron is prevented, so that a truncated protein , missing sequence encoded by t...

Somatic

...ll article >>> In somatic cells , removal of the 5' most intron is prevented, so that a truncated protein , missing sequence encoded by the last exon , is produced P element pre-mRNA . The resulting truncated protein acts as a repressor of transposition . Full article >>...

Smooth muscle

...cera l muscle . social deprivation Withholding or removal of contact with any form of stimulation from conspecific s. Full article >>> Constriction of the smooth muscle in airways in the lungs due to exposure to irritant chemicals or to an immunological re action involving release of in...

RNA Splicing

... Full article >>> RNA splicing The removal of noncoding portions ( introns ) of the RNA molecule after initial synthesis. rod cell ... Full article >>> RNA Splicing : A complex and incompletly understood series of reactions occuring in the nucleus of eukaryotic cells ...

Repressor

...a repressor of transposition . In germ cells , removal of the intron is allowed. The active transposase is made. This is an example of regulation by differential splice site suppression . Full article >>>...

Pyruvic acid

...is first altered in the transition re action by removal of a carbon and two oxygen s (which form carbon dioxide). When the carbon dioxide is removed, energy is given off, and NAD+ is converted into the higher energy form NADH. Full article >>> Pyruvic acid Acetoacetic acid Lactic acid ...

PolyA tail

...nclude addition of a 5'cap and 3' polyA tail and removal of introns , and to t RNA include modification of bases and removal of introns . Full article >>> messenger RNA (m RNA ) A class of RNA molecule ...

Plasmolysis

...rticle >>> plasmolysis The osmotic removal of water from the cytoplasm and vacuole , causing the cytoplasm to pull away from the cell wall and clump in the center. Full article >>> Plant cells placed in a hypertonic solution will undergo plasmolysis , a condition wh...

Phosphatase

Phosphatase catalyzes the removal of a phosphate group from DNA , protein or ot... enzymes are enzymes that help to catalyze the removal of phosphate from proteins . Full article >>> Alkaline Phosphatase : An enzyme ...

Peptides

...One of the most common of these cleavage s is the removal of specific signal peptides . Full article >>> A method of separating large molecule s (such as DNA fragments, peptides or proteins ) from a mixture of similar molecule s. Full article >>> Short peptides (gener...

Oxidation

... ... Full article >>> oxidation - removal of electrons oxidative phosphorylation - the last step in catabolism and the point at which the major portion of metabolic energy is released. Full article >>> Oxidation and Reduction Reactions Oxidation is the loss of electr...

Motor neuron

...ls "can be restored in Shh mutant embryo s by the removal of Gli3 activity (Litingtung and Chiang 2000). Full article >>> Researchers at the University of Wisconsin-Madison coaxed human embryo nic stem cell s into becoming neural stem cell s, then into the beginnings of motor neuron s...

Modification

...nclude addition of a 5'cap and 3' polyA tail and removal of introns , and to t RNA include modification of bases and removal of introns . Full article >>> Modification of DNA ; Transcription ; Translati...

Minicircles

... to the pre-edited RNA . They may also facilitate removal of some U's. Full article >>> RNA that guides the insertion of uridines ( RNA editing ) into m RNA s in trypanosomes. Found in transcript s from minicircles and maxicircles of DNA in kinetoplasts. A B C D E F G H I J K L M N O...

Malpighian tubule

...ry system consists of Malpighian tubule s for the removal of nitrogenous wastes and the hindgut for osmoregulation . At the end of the hindgut, insects are able to reabsorb water along with potassium and sodium ions. Full article >>>...

Introns

... V W X Y Z ... Full article >>> The removal of noncoding portions ( introns ) of the RNA mo...quence in a spliced gene that is retained after removal of the introns to provide the mature m RNA that is trans lated by the ribosome . Full article ...

Intein

..., post- translation al modification is the later removal of a section of the polypeptide and the splicing together (with a peptide bond ) of the remaining N-terminal and C-terminal segment s. Full article >>> The Intein Database Web site contains a registry of all submitted experim...

Exon

...quence in a spliced gene that is retained after removal of the introns to provide the mature m RNA that is trans lated by the ribosome . Full article >>> exon The DNA bases that code for an amino acid sequence . Exon s are separated by introns that code for no amino ...

Endoplasmic reticulum

...ucleus , ... Full article >>> After removal of the 24-amino-acid signal peptide from prepro insulin to form pro insulin , the latter polypeptide is further processed in the endoplasmic reticulum . This produces the final hormone , insulin , which is released from the cell . Full arti...

Embryology

...stry. Full article >>> experimental removal or killing of some part of an organ ism; for example, in experimental embryology , used to determine what effect absence of the structure will have on development of the remaining embryo . Full article >>> Smith became intrigued by ...

Embryo

...n invasive prenatal diagnostic procedure involving removal of villi from the human chorion to obtain chromosomes and cell products for diagnosis of disorders in the human embryo . Full article >>> germ-line cell A class of animal cells formed early in embryo genesis that are ...

Deamination

...icle >>> deamination The enzymatic removal of amino groups from biomolecules such as amino acids or nucleotide s. q.v. Full article >>> In both cases an adenine base was changed to an inosine base by deamination . Full article >>> Deamination - Change...

Collecting tubules

... tubules provides a high osmotic pressure for the removal of water. Full article >>> After being processed along the collecting tubules and ducts, the fluid, now called urine , is drained into the bladder via the ureter , to be finally excluded from the organ ism. [edit] Functions ... F...

Cleavage

...One of the most common of these cleavage s is the removal of specific signal peptides . These peptides target proteins for trans port to a particular cellular organelle in a process known as protein sorting. Full article >>> It is also unique among model organ isms in that cleavag...

Circulatory system

...gen , nutrient molecule s, and hormones and the removal of carbon dioxide, ammonia and other metabolic was...on. Also cardio vascular system . circumcision The removal of all or part of the prepuce or foreskin. Full article >>> open circulatory system ...

Amniotic fluid

...er). Full article >>> Amniocentesis removal of about 10 mL of amniotic fluid from around a pre-born baby often used to determine the child's sex or check for chromosomal abnormalities ... Full article >>> amniocentesis - prenatal diagnostic procedure in which amniotic fluid ...

Adenosine diphosphate

... ribose, and two phosphate group s; formed by the removal of one phosphate from an ATP molecule . adenosine monophosphate (AMP) ... Full article >>> adenosine diphosphate (ADP) Lower energy form of ATP , having two (instead of the three in ATP ) phosphhate groups attached to the ade...

Adenosine

... ribose, and two phosphate group s; formed by the removal of one phosphate from an ATP molecule . adenosine monophosphate (AMP) ... Full article >>> adenosine triphosphate ( ATP ) A complex organ ic compound composed of the molecule adenosine and three phosphates, which serves in...