Summary
Areas of Science
Difficulty
Time Required
Very Long (1+ months)
Prerequisites
Advanced biology course, or willingness to read up on such topics extensively.
Material Availability
A computer with Internet access is necessary for this project.
Cost
Very Low (under $20)
Safety
No issues
Credits
*Note:
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Abstract
Some sequences of RNA can catalyze biochemical reactions, much like protein enzymes. These catalytic RNA sequences are called ribozymes. The function of a ribozyme depends upon the primary sequence of the RNA which folds into a 3-D structure. How do different ribozyme sequences fold? You can search for ribozyme sequences using Entrez BLAST (NCBI, 2006). Then you can use a program like MFOLD (http://bioweb.pasteur.fr/seqanal/interfaces/mfold-simple.html) to submit your sequence for an analysis of its predicted 3-D structures based upon thermodynamics (Zuker, 2006; Zuker, 2003). Compare the different predicted structures and see if they are similar or different. If possible, compare the predicted structures to a published crystal structure. How close was the predicted structure to the crystal structure? Can you identify primary sequence elements in your molecule that contribute to parts of the structure? For example, palindromic stretches can form stem-loop structures. You can also mutate the sequence and submit the new sequence to MFOLD. How does this alter the 3-D structure? Can you use this computational method to identify potentially important nucleotides?Bibliography
National Center for Biotechnology Information. (2006). Entrez PubMed. Retrieved March 25, 2006, from http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db.
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Careers
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The human body can be viewed as a machine made up of complex processes. Scientists are working on figuring out how these processes work and on sequencing and correlating the sections of the genome that correspond to the individual processes. (The genome is an organism's complete set of genetic material.) In the course of doing so, they generate large amounts of data. So large, in fact, that to make sense of it, the data must be organized into databases and labeled. This is where bioinformatics…
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Growing, aging, digesting—all of these are examples of chemical processes performed by living organisms. Biochemists study how these types of chemical actions happen in cells and tissues, and monitor what effects new substances, like food additives and medicines, have on living organisms.
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When a patient gets sick, his or her doctor will take sample cells from the affected part of his or her body and send them to a lab for testing to figure out what is wrong. This is where the cytotechnologist steps in. The cytotechnologist will take the sample cells, make slides from them, and examine the slides under a microscope. Cytotechnologists are trained to detect abnormalities in cells that come from all body sites in order to to make a diagnosis of cancer or other diseases. These…
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Cite This Page
General citation information is provided here. Be sure to check the formatting, including capitalization, for the method you are using and update your citation, as needed.MLA Style
Science Buddies Staff.
"Catalytic RNA and Structure." Science Buddies,
20 Nov. 2020,
https://www.sciencebuddies.org/science-fair-projects/project-ideas/BioChem_p023/biotechnology-techniques/catalytic-rna-and-structure.
Accessed 7 June 2023.
APA Style
Science Buddies Staff.
(2020, November 20).
Catalytic RNA and Structure.
Retrieved from
https://www.sciencebuddies.org/science-fair-projects/project-ideas/BioChem_p023/biotechnology-techniques/catalytic-rna-and-structure
Last edit date: 2020-11-20
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