Hershey and Chase concluded that ________ is the hereditary molecule by examining how radioactively labeled molecules moved between a virus and bacteria
A) Lipids B) DNA C) protein D) phospholipids
B
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Mitochondria and chloroplasts are thought to have arisen from:
A. endosymbiotic episodes. B. parasitic interactions. C. normal organelle development. D. None of these answers are correct.
A pair of enantiomers are also stereoisomers. Why are pairs of stereoisomers not necessarily enantiomers?
What will be an ideal response?
Which of the following characteristics of genetic material accounts for the need to get a flu vaccine every year, but a polio vaccine once in a life time?
A. Information. B. Replication. C. Transmission. D. Replication and Transmission. E. Variation.
The atomic number of chlorine is 17. The atomic number of magnesium is 12. What is the formula for magnesium chloride?
A) MgCl B) MgCl2 C) Mg2Cl D) MgCl3