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Question: Magnetic field reversals (as represented in the figure above) have been occurring roughly every 200,000 years. If you were to observe iron crystals embedded in oceanic geology that were pointing neither northward or southward, based on plate tectonic theory, what would potentially explain this?Question: Which piece(s) of evidence offer support of plate tectonic theory being driven by the convection current hypothesis rather than the "expanding Earth" hypothesis (Google it)? Explain your thinking.Question: Suppose that plate tectonics and continental drift is in fact occurring, as explained by the convection current hypothesis, what is likely true with regards to the relative ages of the Atlantic and Pacific oceans? Might you expect there to be a difference in the diversity of Coral Reef and fish species in these two Oceans? Explain.
Gene frequencies for the ABO alleles vary geographically. For example the I^A allele makes up nearly 50 percent of the genes for blood type among Australian Aborigines, about 25 percent in Central Asian populations,
Organize the genotype in the table, define the origin (parental, single cross-over progeny and double-crossover progeny) and find out the order of the genes on the chromosome.
You are a scientist working on a large protein (500 amino acids long) you have genetically engineered the protein in in such a way as to replace a single hydrophobic amino acid with a negatively charged amino acid.give the difference between prima..
Determine would you expect yearly net N accumulation in vegetation to be higher in young say, 20 year old, medium or mature 100 year old forests?
Down syndrome is the result of an extra 21st chromosome in humans. In the process of meiosis for the mother, give all possible stages where it could lead to an offspring with Down syndrome,
If you started a PCR protocol with 10 double stranded molecular of DNA, Determine how many double stranded molecules of product would you have after 5 cycles of PCR?
How organismal respiration and cellular respiration are interconnected. While you visit him, his teeth are chattering, his skin is cool and clammy to touch, and he complains of feeling cold even though his room is quite warm. Elucidate his symptoms.
Discuss the differences between bird and mammalian reproduction, both in anatomy and physiology and Define and compare and contrast populations, communities, and ecosystems.
Codons with U or C as the second nucleotide, for example, tend to specify hydrophobic amino acids. Can you recommend a possible explanation for this phenomenon in terms of the early evolution of the protein synthesis machinery?
In the tubular flowers of foxgloves, wild type coloration is red while a mutation called whit manufactures white flowers. Another mutation, called peloria, causes the flowers at the apex of the stem to be big.
When digested DNA is analysed using agarose gel electrophoresis the total size of fragments sometimes does not add up to the size of the original DNA molecule. How can this be explained and how can this be seen in ethidium bromide stained agarose ..
For a different experiment you are increasing Saccharomyces cerivisiae instead of E.coli. The measured OD is 0.89.
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