Which of the following statements best discriminates among phylogenetic trees based on a maximum likelihood approach?
A. The preferred tree requires the most mutations to occur.
B. The preferred tree gives the lowest probability of producing the observed data.
C. The preferred tree requires the fewest mutations to occur.
D. The preferred tree gives the highest probability of producing the observed data.
Answer: D
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Which of the following is a function of the large intestine?
A. absorption of water B. production of amylase to break down starches C. absorption of amino acids D. storage of excess bile salts E. secretion of insulin
Under the conditions of a given reaction, a positive ?G' means
A) the reaction is spontaneous. B) no energy needs to be added. C) the reaction is at equilibrium. D) work can be done. E) the reaction will not occur.
In science, graphs are often used to display data collected from an experiment. Which one of the following is TRUE regarding a graph?
A) Most graphs are plotted on three axes. B) The dependent variable is plotted on the y-axis. C) Independent variables are generally not included on a graph. D) The horizontal axis is known as the ordinate. E) Graphs always involve plots of individual data points.
Which of the following aspects of collagen would be directly affected by a defect in procollagen peptidase?
A) synthesis B) secretion C) extracellular assembly D) binding to fibronectin E) all of the above