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Why do you think specificity; heterogeneity (diversity), memory, and self-vs. Oneself recognition is vital to the immune system? Explain, in your own words how vaccinations work.
A heterozygous, but phenotypically wild-type fruit fly (gray body color and normal wings) was mated to a black fly with vestigial wings. The offspring had the following phenotypic distribution: wild type, 720; black-vestigial, 780; black-normal, 280;..
A heterozygous brown-eyed human female who is a carrier of color blindness marries a blue-eyed male who is not color-blind. Color blindness is a sex-linked trait. Assume that eye color is an autosomal trait and that brown is dominant over blue. Wh..
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. (Recall: enzymes are proteins.) To complete this project, it may be useful for you to review.
A strain of bacteria has a temperature sensitive mutation in the gene that codes for ρ (rho). At high temperatures, ρ is not functional. What phenotypes would you observe in bacteria raised at elevated temps?
Explain why is it important to use animals that are the same sex and approximately the same age in experiements?
The Hawaiian and Galapagos Islands (as well as many other island chains) are home to many endemic species. Select either island chain, then describe 2 examples of endemic species found on that island chain (this will require additional resources). Tr..
A student attempts to transform a population of E. coli with a pBluescript plasmid. How do you advise him to identify cells that have the plasmid? Answer Plate the cells on a medium containing X-gal.
What is the primary reason that a hot spring will kill a fishplaced in it, but encourage the growth of certain bacteria?
What is the calculated frequency of this sequence occurring in a genome?
I know about heavy metals in soil but I don’t know how canwe mointering which method used for collected samples forheavy metals , what should be storage condition of soil for heavy metals and what type of container used for heavy metals afterthis ..
q. throughout the summer of 1988 fires burned much of yellowstone national park leaving a patchwork of burned and
I in brief describe how a mutation might alter gene function (at the molecular level) if it fell into the following categories. As an example, a neomorphic mutation could result from expressing a gene in a novel location.
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