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Question 1: ATP as the energy currency of the cell
ATP (adenosine triphosphate) has been called the energy currency of the cell. Briefly outline the cycle by which energy is stored in and released from ATP. Explain the importance of the phosphate bond to this series of processes. Be prepared to discuss how ATP is critically important to cellular chemical processes.
Question 2: Enzyme action and their importance to life
Enzymes are protein materials that serve to control chemical processes within the cell. Briefly describe how enzymes work and explain their importance to the chemical processes of living organisms. Pick a specific enzyme and describe its function and the importance of that function to life. Discuss how the loss of that enzyme would disrupt living processes? Be prepared to discuss the action and importance of the variety of enzymes used as examples in this discussion.
Compare and contrast the Out of Africa (replacement) hypothesis of modern human origins with the Multiregional (continuity) hypothesis. Describe the main points of each as presented in the textbook.
Based on the theory of evolution, which will adapt quickest an endangered species (say the kit fox) or the wide ranging and highly variable red fox?
What trends would they have noticed in Earth's terrestrial vegetation over this period.
Would you expect the formation of a polymer from monomers to be spontaneous or non-spontaneous? Is energy required or released when polymers form? (entropy, order)
Suppose you could selectively prevent production of a-amylase or oligo-1,6-glucosidase in an organism that normally hydrolyzes starch. Which enzyme would the organism miss the most?
In a random mating population, we have identified leghorn chickens that have an autosomal recessive disorder that results in the hopping like a bunny.
Histone proteins are proteins that are involved in the supercoilingof DNA within cells. Essentially, DNA is wound tightly around these histone proteins tosave space until the DNA needs to be accessed.
Why is the gene coding for ribosomal RNA (rRNA) used for establish phylogenetic relationships and how does this compare to previous methods for placing organisms in appropriate taxa.
He lacked the proper instruments for determining Na+ concentrations, but was rather certain that no other major ions were present in the ECF and ICF. Can you calculate either concentration for him? (Show all calculations)
Why are free fatty acids not found in high amounts in a membrane?
compare and contrast Allopatric Speciation & Sympatric Speciation. Provide a definition of each type of speciation and provide one (1) specific example of each type of speciation.
Somatic cells of individuals with down's syndrome usually have an extra chromosome 21; they contain 47 chromosomes. At which stages of meiosis could a mistake alter the chromosome number?
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