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What is a marker molecule

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A marker molecule is a specific fragment of DNA that can be identified and indicates something, such as higher cancer risk. [ Source: http://www.chacha.com/question/what-is-a-marker-molecule ]
More Answers to "What is a marker molecule"
What is a marker molecule
http://www.chacha.com/question/what-is-a-marker-molecule
A marker molecule is a specific fragment of DNA that can be identified and indicates something, such as higher cancer risk.
Is the Triazole Useful as Marker Molecule for Surface-enhanced Ra...?
http://sciencelinks.jp/j-east/article/200415/000020041504A0438123.php
We control localized plasmon of the gold nanoparticle assembly and try to establish surface-enhanced Raman scattering (SERS) as a quantitative determination technique. The SERS intensity is, however, quite dependent on the analyte species. ...
What marker molecules should one use in order to identify cell or...?
http://answers.yahoo.com/question/index?qid=20061130144413AADixz8
There are several different fluorescent dyes that are specific for different organelles. Mitotracker for mitochondria. Dapi stains all DNA and will therefore stain the nucleus and also the mitochondria. You can also use antibodies for organ...

Related Questions Answered on Y!Answers

Help in biology? (Cells)?
Q: The concentration of molecule X is greater inside a cell than it is outside the cell. If the cell acquires X from its surroundings, X must cross the cell membrane by means ofA.exocytosis.B.active transport.C.receptor proteins.D.second messengers.. A cell begins to swell when it is placed in an unknown solution. What can you conclude about the solution?A.The solution is isotonic.B.The solution is hypotonic.C.The solution is saturated.D.The solution is hypertonic.Which proteins transmit information into a cell by binding to signal molecules?A.end proteinsB.marker proteinsC.channel proteinsD.receptor proteins
A: Question 1) B. Active transport, the cell must actively concentrate the material X against a concentration gradient.Question 2) B. The solution is hypotonic. The concentration of solutes is higher inside of the cell and so water from the outside enters the cell causing it to swell.Question 3) D. receptor proteins. Cell surface receptors bind to extracellular ligand molecules and then signal into the cell's interior.
What is the purpose of adding DNA markers to a gel run?
Q: The question comes from a lab called 'Using Gel Electrophoresis to Separate DNA Molecules'.
A: Well the "markers" are fragments of a known size. You load them at the same time and run them side by side with your samples. By using the "known" size bands in the marker lane, you can estimate the size of the fragments in the sample(s) you're running.
Biology/cells the question is in the detail ?
Q: The cell theory states thatcells make up living and nonliving thingsall cells must have the ability to photosynthesizeall cells come from pre-existing cellscells can arise through spontaneous generation2. Cells were discovered shortly afterthe microscope was invented in the seventeenth centurythe AIDS virus was discoveredAristotle created an eye lensthe cell theory was fully established3. The correct hierarchical order of organisms iscells, organs, tissues, organisms, organ systemscells, tissues, organs, organ systems, organismsorganisms, organs, cells, tissues, organ systemscells, tissues, organ systems, organisms, organs4. The function of the cell membrane is toproduce proteinsproduce energycontain DNA, which controls the cellregulate what enters and leaves the cell5. The organelle that is used in plant cells for support is themitochondrioncell wallcytoplasmER6. The "powerhouse" of the cell is theGolgi apparatuschloroplastmitochondrioncytoskeleton7. The function of the nucleus is tocontain the DNAstore fluid and energyphotosynthesizedetoxify chemicals8. The lysosome functions topackage and ship moleculesbreak down waste productsmake proteins intended for the cellgive the cell its structure9. If a cell was a car, the cell membrane would be thetiresshiftsenginedoor10. Diffusion is whenfood coloring is mixed into waterthe lysosome moves into a vacuole of a plant cella molecule is too big to pass through a membranemolecules move from an area of higher concentration to lower11. ______________ is when markers on the membrane attach to the needed molecules to bring it inside the cell.osmosisactive transportfacilitated diffusionphotosynthesis12. What cells do not have a nucleus?prokaryoteseukaryoteskidney cellsplant cells13. What two organelles do plants have that animals don't?mitochondria, ribosomescell wall, nucleuschloroplasts, cell wallchloroplasts, mitochondria14. Which of the following organelles is responsible for the production of a protein in the cell?ribosomeendoplamic reticulumnucleusgolgi apparatus15. Most cells are made differently due totheir agechanges in technologytheir specific functiontheir lifespan16. Why did Robert Hooke give cells their name?because it reminded him of jail cellsbecause it reminded him of rooms in a monasterybecause he was going to sell the discovery for moneybecause it was his mother's maiden name17. What is the opposite of "all cells come from pre-existing cells?"organ systemslipid bilayerendoplasmic reticulumspontaneous generation18. Which of the following organelles functions to transport chemicals around the cell?endoplasmic reticulumribosomemitochondriacell wall19. Which of the following organelles packages molecules to be sent to locations within the cell?Golgi apparatuslysosomesvacuolescytoskeleton20. When a membrane blocks some substances and not others it is calledpermeablesemi-permeableimpermeablesuper permeable
A: Polo is right for all of em except for 20 which is B
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