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1. Bacteriophage M13 infects E. coli differently from the way bacteriophage T2 does. The M13 coat is removed in the inner membrane of the bacterial cell, where it is sequestered during phage replication. It is subsequently used to package the newly replicated phage DNA to create progeny phage. Why would this make M13 less suitable than T2 for the Hershey and Chase experiment?
2. Adenovirus has a double-stranded linear DNA genome that measures 12.2 m in length. How many base pairs make up the adenovirus genome?
3. A DNA is found to exhibit a melting point of 75C in 0.1 M NaCl. What effect would each of the following have on the malting point of the DNA?
a. Increased NaClb. Decreased DNA concentrationc. Adding 1% formamide
Which organelle generates oxygen? Which organelle consumes oxygen? Explain why are viruses not considered to be living?
According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants.
The group of molecular biologists is trying to synthesize a new artificial compound to mimic the effects of a known hormone that influences sexual behaviour. They have turned to you for advice.
Discuss how medical technologies are evaluated. Give examples of at least two evaluation methods that have been discussed either in popular press or scholarly journals.
Glucose is experimentally synthesized with C-14 at carbon 1, and used as a substrate for aerobic metabolism. Where is the label at the end of glycolysis.
Key factors which influence respiratory rate and depth are such as talking or coughing, (such as, sometimes we try to breath at a several pace to relax)
What sequence of nucleotide pairs in a Drosophila gene would encode the amino acid sequence met-trp-phe-trp-met (reading from the amino terminus to the carboxyl terminus).
sketch the chromosomes of the parents and the F1. analyse interference and say what you think of its significance.
Martha is maintaining her current weight by eating 2,500 kcalories per day. To lose 1 pound of fat per week, she would have to decrease her intake to how several kcalories per day. Considering the albedo of various surfaces how might temperatures var..
The restriction enzyme ECOR I cuts DNA leaving 5' overhangs, Pst I leaves 3' overhangs after cutting DNA and SMA I leaves blunt ends on the fragments it produces.Indicate wheter DNA ligase can join the pieces of DNA.
Describe the major points of the Sternberg, Spearman, and Gardner models of intelligence. Discuss specific similarities and differences from one model to another. Discuss which model appears to be the most comprehensive model of intellectual function..
The altered tRNA translates the UGA as tryptophan. What nucleotide varies has probably occurred in the mutant tRNA molecule? What consequences will the presence of such a mutant tRNA have for the translation of the normal genes in this cell.
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