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You use phase contrast microscopy to observe a wet mount of a soil sample and a goo sample. In what ways are the potential ET microbes similar to microbes previously characterized on earth? In what ways are they different? How could you determine whether microbes present in the soil or goo sampleas are phylogenetically similar or distant from known microorganisms on Earth?
An enzyme that follows Michaelis-Menten kinetics has a Km of 1 ?M. The initial velocity is 0.1 ?M min -1 at a substrate concentration of 100 ?M. What is the initial velocity when [S] is equal to 2 mM?
The human body produces a variety of immunoglobulins. Explain why does the body need so many different classes and subclasses of these immunoglobulins?
During swimming there is a large increase in end diastolic volume (EDV) of the heart. This leads to an increase in stroke volume. Explain how the increased EDV leads to the increased SV.
Critically discuss the difference between food intoxication and food infections. In May 2012, a young woman in Georgia was zip lining and fell into a river.
If your grandfather is a carrier for a rare recessive disease called biology and you know your grandmother and mother, who have married in to your family are NOT carriers,
A population of cats can be either black or white; the black allele has complete dominance over the white allele. Given a population of 1,000 cats.
Action potentials are usually generated at axon hillock and propagated down axon away from the cell body. If you experimentally depolarized an axon to the threshold level at a point halfway down the axon, what would happen.
Understand and discuss how the flow of nutrients differs from the dlow of energy in an ecosystem.
Can viruses evolve? Why or why not? a. No, only their hosts can evolve. b. Yes, their genetic make-up responds to natural selection. c. No, they are not alive. d. Yes, they are able to alter their genetic code directly in response to selection pre..
Artificial electron acceptors can be used to detect a exact organelle by cytochemistry. Name this organelle and outline the procedure that you would use to detect this organelle by cytochemistry.
Determine what kind of DNA mutation in a gene would result in the production of a shorter version of a protein missing amino acids in the middle of the protein
Discuss why are heterotrophic, autotrophic and mixotrophic protists not classified as plants or animals?
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