Which of the following suggested a method of DNA replication to Watson and Crick?
A. The backbone of the DNA helix is antiparallel.
B. Due to complementary basepairing, each strand could act as a template for the other.
C. The DNA helix has a major and a minor groove.
D. The two strands are held together by strong, covalent bonds.
E. The DNA helix is stabilized by hydrophobic stacking.
B
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The chemotherapeutic agent must reach levels in the body that are ________ the pathogen's MIC value if it is going to be effective.
A. equal to B. less than C. greater than D. None of the choices are correct.
Formal statements of aspirations, principles, guidelines, and rules for corporate behavior are known as:
A) norms. B) corporate campaigns. C) soft laws. D) codes of conduct.
What type of cells include central nerves, brain cells, and heart muscle cells?
a. Nondividing cells b. Mitotic cells c. Facultative mitotic cells d. Mast cells
Within a genus that normally produces large numbers of offspring, one particular species evolves maternal care behavior. What do you predict will happen to the survivorship curve?
A. No change is likely. B. It may change from type I to type II. C. It may change from type I to type III. D. It may change from type III to type I.