Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Question 1: Why is it necessary to heat-inactivate exonuclease I? Question 2: Why is it necessary to conduct two rounds of PCR in our cloning experiment?
Calculate the pH and conentrations of the following species in a 0.025 M carbonic acid solution. (Given Ka1 = 4.3x10-7 and Ka2 = 5.6x10-11) a) H2CO3 b) HCO3 - c) CO3 2- d) H+ e) OH-
What seems to be the purpose of inflammation?A. It keeps the body's defense agents out of the infected regionB. It provides a means for concentrating the body's defense agents at the site where they a
Question 1: How could phytoplankton migrate through the water column in order to capture specific sunlight Question 2: Is it possible to have two solutions with identical molarities, but different o
Question 1: Why might a protein not leave the well of a native gel during electrophoresis? Question 2: How do phytoplankton capture sunlight?
Question 1: Why do certain olecules need to be on the inner or outer side of the cell membrane? Question 2: What is mad cow diseases and it is a threat to humans.
Question 1: Name two critical ways that the process of initiation in DNA transcription differs from the process of initiation in DNA replication in prokaryotes. Go beyond the fact that one uses DNA
Assume that a bacterial cell has a defective copy of DNA Polymerase I. Would replication proceed normally? What would the replicated DNA look like at the point where the process stops?
Why might the titre of most animal viruses be different when using an immunostaining compared to a focus assay? Which assay would suggest a higher titre?
How does the amount of chromosome condensation relate to: A) The uptake of Giemsa stain? B) Transcription and gene expression?
Question 1: Are these two genes linked or independently inherited? Support your answer with data. Question 2: If these two genes are linked, how many units apart are they on the chromosome?
Question: A two nucleotide deletion in a consititutive exon occured. How does this affect the translation, polypeptide,, and orgasnism?
What is the difference between RNA polymerase and DNA polymerase III? a) they both require a free 3'OH b) they both utilize nucleotides with ribose c) DNA polymerase III has exonuclease activity which
What features of dna polymerase prevent it from replicating one of the DNA strands at the ends of linear chromosome? a) it is too large to fit on the end of the chromosome b) it cannot add nucleotides
Question 1: Would you expect endangered species to be more frequently generalists or specialists? Explain your answer. Question 2: How does temperature affect water availability in an ecosystem?
Question 1: What are the commonalities found in all cells?Question 2: Explain how a mistake in cellular division can cause Down syndrome.
Question 1: List and briefly describe the stages of cancer and explain its utility. Question 2: What are the possible treatments for cancer? How do those treatments kill cancer cells? Which work wel
Question 1: Describe at least five different methods for separation and purification of proteins.
Why do you think many antimicrobials are not effective on eliminating resting forms of microbes that are not growing and dividing?
Question 1: How is molecular recognition important in the medical field? Question 2: what is moon transfer?
Question: Which of the following are true in Glycolysis a) Each of the enzymes catalyzes a specific reaction in the pathway. b) Molecules cannot skip a step in the pathway; they must take each step in
What does the exoskeleton provide for muscle action? a) wings b) freedom c) antagonism d) diapause
Question 1: How do the four levels of protein structure affect the shape of enzymes and why is this important for enzyme function? Question 2: Describe the relationship between these terms: Protein,
Question 1: How are the highly specialized glands (ceruminous, mammary) related to the other glands in the integument (similarities, differences, origins). Question 2: What is a pure culture and how
Calculate the mass of needles received by the stream from aerial and terrestrial sources for your class (Hint: your aerial and terrestrial traps were a sample which you should use to calculate the t