How could you identify potential riboswitches with bioinformatics tools?
A) Advanced 3D modeling techniques of mRNA folding would be necessary because complementary nucleotide binding predictions would not be useful.
B) Locate short regions of an individual transcript with several complementary sites.
C) Identify homologous sRNAs in other organisms.
D) Identify several complementary mRNAs encoded in the genome.
Answer: A
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The success of Chitwan National Park in Nepal is attributed primarily to ____
a. ecotourism b. exclusion of local residents c. ecosystem valuation d. benefits provided to local residents e. income derived through hunting
You have isolated a prokaryotic cell. The first step in identification is a(n)
A) Gram stain. B) lactose fermentation test. C) endospore stain. D) flagella stain. E) DNA fingerprint.
Which of the following statement concerning structural genes is FALSE?
a. Most structural genes encode a single polypeptide. b. Coding regions always contain introns. c. There may be noncoding regions at the end of the gene. d. A single DNA sequence can sometimes code for more than one polypeptide. e. All of the above are true
Without data from the base composition studies of Chargaff, what might Watson and Crick's modeling studies have erroneously concluded?
A. Bases could pair with themselves (e.g., A with A, C with C). B. Any purine could pair with any purine. C. Any purine could pair with any purine and any pyrimidine could pair with any pyrimidine. D. Any purine could pair with any pyrimidine. E. Any pyrimidine could pair with any pyrimidine.