The first detailed and quantitative studies on inheritance were carried out by an Austrian monk named _____.
A. Mendel
B. Darwin
C. Mendeleev
D. Benedict
A. Mendel
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How many neutrons are in a typical oxygen atom?
A. 18 B. 12 C. 8 D. Not enough information given
Which is/are true of viruses?
A. They may suppress the production of MHC Class I protein. B. They may produce an MHC Class I mimic protein. C. They may prevent cell suicide. D. They may bind to MHC class II antigens. E. They may suppress the production of MHC Class I protein, they may produce an MHC Class I mimic protein, AND they may prevent cell suicide.
Three the SSU rRNA sequences of 3 organisms have been compared. For organisms 1 and 2, two of the twelve nucleotides in the sequence are different. For organisms 1 and 3, six of the twelve nucleotides are different. Which organism has greater evolutionary distance from organism 1?
A. The evolutionary distance is the same. B. Organism 2 C. Organism 3 D. Evolutionary distance cannot be predicted from this data.
Which of the following can increase red blood cell concentration in a unit of blood?
A) training at low altitudes B) reducing blood levels of EPO C) blood doping D) hydration