• Q : Dna repair enzymes....
    Biology :

    Describe the physical changes required in the body which would need to happen in order for our bodies to live forever. Changes like telomerase activity, collagen flexibility, environmental changes,

  • Q : In vitro transcription and translation....
    Biology :

    What kind of polypeptide would you make from this polynucleotide? Would you expect to encompass more than one polypeptide? Explain why?

  • Q : Proteins which are synthesized....
    Biology :

    Explain how some proteins can be made from the above nucleic acid (that is, you only saw 1 long piece). What does this imply regarding the activity of at least one of the proteins which are synthesize

  • Q : Synthesis of mrna....
    Biology :

    Polio and HIV are both +ssRNA viruses which have much different strategies for replicating their genomes. After the viral genomes enter the cell (that is, post entry), explain the first step compris

  • Q : How hiv infects helper t cells....
    Biology :

    This solution will review the fundamentals of viruses and describe the process which takes place whenever a helper T cell is infected by the HIV virus.

  • Q : Metabolic requirements for growth of microbe....
    Biology :

    Describe the metabolic requirements for growth of each microbe and choose one antibiotic (bacteria), antiviral (virus) or anti-fungal (fungi) agent, based on the pathogens which you chosen.

  • Q : Role of the immune system....
    Biology :

    Describe the role of the immune system in protecting the body from the pathogenic and non-pathogenic microbes chosen in Module 1 and 2.

  • Q : Outbreaks in communities....
    Biology :

    Which arguments are supported with peer-reviewed scientific research? In your search, did you find out regions in the US where diseases which were once rare have resulted in outbreaks in communities

  • Q : Pasteurization according to fda....
    Biology :

    What is the last definition of the pasteurization according to FDA (in the year 2005)? List out 20 antimicrobials used in the food manufacturing and specify the maximum allowance of each one in food.

  • Q : Aerobic or anaerobic respiration....
    Biology :

    Some of the species of bacteria which live at the surface of sediment on the bottom of lakes are facultative anaerobes; that is, they are capable of either aerobic or anaerobic respiration.

  • Q : Microbial growth of saccharomyces cerevisiae....
    Biology :

    Name the spice (Black Pepper Agar, Chili Powder Agar and Cloves Agar) would be least efficient in controlling the microbial growth of Saccharomyces cerevisiae? Explain why?

  • Q : Reason why streptococcus bacteria grow slowly....
    Biology :

    I would appreciate clarification on this and more information on what they require to grow. Do they ever grow fast? If so what would it take for them to grow fast?

  • Q : Genetic cross-sickle cell trait....
    Biology :

    Exhibit a genetic cross between the two sufferers of sickle-cell trait. State the phenotypic ratio and the genotypic ratio of the F1 generation of offspring with respect to the hemoglobin.

  • Q : Bacterial meningitis....
    Biology :

    A patient is in the hospital having bacterial meningitis. The doctor wants to find out whether the patient has an infection with Neisseria meningitides or Haemophilus influenza.

  • Q : Process during mitotic anaphase....
    Biology :

    The centromeres of each chromosome divide, sister chromatids separate, the chromatid DNA replicates, daughter chromosomes start to move toward the opposite poles of the cell or all are all true.

  • Q : Modern concepts of microbial metabolism....
    Biology :

    1) Describe the three yeast behaviors based on the modern concepts of microbial metabolism. 2) What was incorrect regarding the Pasteur's conclusion?

  • Q : Questions relating to sex determination....
    Biology :

    Explain how is sex determined in grasshoppers? Can you find out other illustrations of organisms with a similar system of sex determination?

  • Q : Trinucleotide codons and amino acids....
    Biology :

    The order of nucleotides is critical in finding out the amino acid which is encoded. What do the given trinucleotides code for: AAC, ACA, CAA and CAC?

  • Q : Can prokaryotic cells be smaller than the eukaryotic cells....
    Biology :

    Describe why can prokaryotic cells be smaller than the eukaryotic cells and still carry on all of the functions of life?

  • Q : Theory of biogenesis....
    Biology :

    Explain how did the theory of biogenesis lead the manner for the germ theory of disease?

  • Q : Treating microbial infections....
    Biology :

    Ciprofloxacin, erythromycin, and acyclovir are employed to treat microbial infections. Ciprofloxacin inhibits DNA gyrase. Erythromycin binds in front of the A site on the 50S subunit of the ribosome

  • Q : Gram-negative bacteria....
    Biology :

    Describe why gram-negative bacteria are more resistant to the biocides than gram-positive bacteria. Be specific and expressive in your response.

  • Q : Clostridium and streptococcus....
    Biology :

    Clostridium and Streptococcus are both catalase-negative. Streptococcus grows through fermentation. Explain why is Clostridium killed by oxygen, while Streptococcus is not?

  • Q : Significance of restriction endonucleases....
    Biology :

    Restriction endonucleases are enzymes that digest the DNA. They are not similar digestive enzymes that completely digest DNA to monomers so cells can eat nucleic acids.

  • Q : Computation of transformation efficiency....
    Biology :

    You add up 10 ng of pGEM to 50 ul of competent cells, and then dilute this into a total of 1 ml Luria broth after the transformation. You take 100 ul of the Luria broth and plate on and agar plate.

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