The experiments that clearly distinguished DNA and not protein as the hereditary material were conducted by _____.
A. Pauling
B. Hershey and Chase
C. Griffith
D. Watson and Crick
E. Avery
Answer: B
Biology & Microbiology
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A protein with an internal signal sequence is most likely to be located in:
A. the nucleus. B. a mitochondrion. C. the cytoplasm. D. a chloroplast. E. the extracellular space.
Biology & Microbiology
Characterize the demographic transition seen in the human population. When did it occur?
What will be an ideal response?
Biology & Microbiology
Who believed that disease had natural causes, e.g., "The Four Humor Theory". and that it could be cured by rational methods?
A. Asclepius B. Fracastoro C. Hippocrates D. Imhotep
Biology & Microbiology
Which of the following is not a feauture of memes:
A. death B. genetic recombination C. mutation D. asexual reproduction E. sexual reproduction
Biology & Microbiology