The major and minor grooves of DNA are features of the helix that can be attributed to _______, which involves tight packing of DNA bases in a duplex
Fill in the blank(s) with correct word
base stacking
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A true breeding line of green pod pea plants is crossed with a true-breeding line of yellow pod plants. All of their offspring have green pods. From this information, it can be stated that the green color is _____ to the yellow color
A. Recessive B. Dominant C. Subservient D. Blended E. None of the answers are correct
The graph above depicts the relative increase in autism in children from 1997 to 2007 living in California. In 2001, the additive thimerosal was removed from most childhood vaccines
Based on the information presented in the graph, what can be concluded about the hypothesis that thimerosal causes autism? A) Thimerosal, at the very least, contributes to the occurrence of autism as evidenced by the almost logarithmic increase in children with autism from 2001 to 2007. B) Prior to 2001, thimerosal clearly influenced the cases of autism in California. C) A sharp decrease in the cases of autism would be expected after 2001 if thimerosal was the causative agent of autism. D) The results of the study are inclusive. E) Thimerosal requires some other agent to help induce autism.
Which of the following time periods contains the others?
A. Cretaceous B. Mesozoic C. Triassic D. Jurassic
An atom with twelve electrons, twelve protons, and fourteen neutrons has a mass number of
A. fourteen. B. twenty-four. C. thirty-eight. D. twenty-six.