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Describe how a vaccine for H1N1 works, listing the steps and include all the important terms such as memory B cells, immune system,antigens,antibodies,immunizatio,types of vaccines.
in guinea pigs yellow coat color is produced by homozygous genotype YY, cream color by heterozygous genotype YW and white by homozygous WW.
How do these ethics influence they way we perceive environmental issues? Why should/ or should not environmental ethics be a part of environmental science?
How does the mammalian immune system respond to a laceration?
The broad bean is diploid and 2n= 18. Each haploid chromosome setcontains approximately 4 m of DNA. the average size of eachchromosome during metaphase of mitosis is 13 µm. What is the average packing ratio of DNA at metaphase? How is this packing..
You are a biologist working in Montana when you find a fossil wedged between two ancient layers of sedimentary layers. What technique would be the best tool to use to find the age of the fossil?
Jennifer R. has the "stomach flu" that is going around campus and has been vomiting profusely for the past 24 hours. Not only has she been unable to keep down fluids or food, but she has also lost the acidic digestive juices secreted by the stomac..
There are many challenges that organisms must meet to survive. Describe two challenges and explain how plants and animals are able to meet these challenges. Be specific about structures (anatomy) involved and molecules (physiology) involved.
What are five major types of symbiosis associated with angiosperms, going back to the start of the eukaryotic line?
Define the concept of biodiversity and explain the importance of biodiversity to plant communities. Describe particular threats to biodiversity that you see happening in your area of the country or community and discuss what might be done to count..
A researcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (TMV). The cell contents are left in the covered test tube overnight. The next day this mixture is sprayed on tobacco plants. Which would be expecte..
What issues need to be considered when planning an information systems project to increase data security?
In context if chemical evolution, DNA's structure is interesting because it suggests a possible copying mechanism. What about DNA's facilitates copying?
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