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Decscribe how antigen presenting cells process antigens and presentantigen fragments in association with MHC class I proteins.
Erma and Harvey were a compatible barnyard pair, but a curious sight. Harvey's tail was only 6 cm while Erma's was 30 cm. Their F1 piglet offspring all grew tails that were 18 cm.
Explain what DNA-bar coding is and how it is used to study the epidemiology of viral diseases caused by insect vector-virus complexes; what can be learned using this approach?
in the methylene blue reductase test what results would you expect if the tubes were inoculated with a strict aerobe? a strict anaerobe?
Why is the gene coding for ribosomal RNA (rRNA) used for establish phylogenetic relationships and how does this compare to previous methods for placing organisms in appropriate taxa.
now a days, scientific advances are being made at an astounding rate, and nowhere is this more evident than in our understanding of the biology of heredity. Using DNA as a starting point, do you believe there are limits to the knowledge people sho..
Assume that for a trait that is determined through a set of two alleles, the observed frequency for homozygous dominant, homozygous recessive, and heterozygous are 0.64.
Each lymphocyte in circulation changes over the life of the cell and develops certaincharacteristics, particularly after an encounter with an antigen. Determine which organic macromolecules are most antigenic?
Suppose you are purifying a protein on a weak cation exchanger (pH 7.5) and it comes off at 300mM salt. predict what salt concentration (lower, same, higher) the protein would come off if you used a strong cation exchanger.
Describe some of the physiological changes that happen to the cell membranes of a rainbow trout as it acclimatizes to cold, water at 4 degrees Celsius, after living at 16 degrees Celsius for a long time?
How do codons relate to primary structure of proteins? Be able to construct a strand of messenger RNA from the sense strand of DNA (TRANSCRIPTION) and understand where this happens in a cell. How does the RNA differ from the DNA? How do mutations in ..
The resting potential of a neuron is approximately -60mV. Neurons maintain this electric potential by maintaining a balance of ions inside and outside the membrane. Which of the following is the most significant factor in determining this balance.
You have identified a strain of mutant E. coli that constitutively expresses from the lac operon. Considering that this is a mutation in a gene that encodes for a protein repressor.
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