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1. Explain how do fossils help scientists piece together the family tree of a given plant or animal?2. Discuss how do fossils provide evidence for the theory of continental drift?3. What are the two major forces that drive the evolutionary process?4. Why do species become extinct? What does extinction of one species mean for the surviving species in the same environment?5. Why are there gaps in the fossil record, particularly at the end of the Paleozoic and Mesozoic eras?6. What stimulated the evolution of mammals at the end of the Mesozoic era?7. What was the significance of Miller's experiment in solving the macroevolutionary puzzle?8. How did the absence of oxygen stimulate the evolution of life on Earth?9. How does comparative biochemistry help establish the lineage of even the most primordial organisms?10. In what ways are we similar to primitive singe-celled organisms such as bacteria? What does this suggest in terms of our evolution?
define What would the genotypes and phenotypes. Follow an X-linked recessive mutation from a cross between a heterozygous female and a wild-type male.
The genome of virus SV40 is a circular double-stranded DNA molecule 5 kb long. A 1 kb region is amplified by PCR for four cycles. What fraction of total DNA does the target sequence constitute.
This drug was then tested in clinical trials and shown to cause remission in more the 90 percent of CML patients as long as the drug was taken daily.
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299 K. If I raise the temperature to 350 K and lower the pressure to 1140 mm Hg, what is the new volume of the gas.
Assume you infected an E. coli culture with a virulent bacteriophage. Most of the cells lysed, but a few survived - 1x10^-4. You wonder where the resistant bacteria came from.
The component of immune system which protects against pathogens without requiring prior sensitization is referred to as.
Explain three things that a paleontologist must do to plan a fossil hunting expedition so that he is likely to find evidence to reply a specific scientific question.
Clades are defined as groups that include an ancestral species and all of its descendants. Choose the following group type that is NOT considered a true clade?
Explain the changes in ventilation that occur during exercise. How are these changes produced and how do they affect artrial blood gases and pH?
Using information provided, what is the hydrogen/helium content inside a star that is the approximate age of our sun. what aspects are consequences of the evolutionary history of animals you are considering.
Spiny species of diatoms are found both in warm subtropical waters in addition to in colder areas. Since warm water is less dense than cold water, would you predict any differences between the spines of warm-water and cold-water individuals? Why.
The drug Celebrex selectively inhibits PTGS2 even as aspirin and other non-steroidal anti-inflammatory drugs (NSAID's) inhibit both PTGS1 and PTGS2 in the same way. Why do you think researchers wanted to find out a selective inhibitor to PTGS2.
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