Dinoflagellates __________.
a. possess two flagella
b. are all autotrophic
c. lack mitochondria
d. are all heterotrophic
e. are all marine
Answer: a. possess two flagella
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An isolate of a mutant bacterium appears to grow more slowly than the population (wild type) from which it was isolated. Further studies showed that the slower growth was due to a markedly reduced DNA polymerase I activity. From this information, one would expect that this organism would also be deficient in the activity of DNA
A) excision repair. B) recombination. C) transcription. D) translation. E) unwinding.
Although attempts to date the divergence between humans and chimpanzees using molecular sequence data do not perfectly agree, a rough consensus from multiple analyses would place the divergence date at ________
A) 175,000 years ago B) 6,000 years ago C) 5 to 7 million years ago D) 3.14 million years ago E) 65 million years ago
Who was the first person to realize the importance of hand washing between examinations of patients?
A. Ignatz Semmelweis B. Louis Pasteur C. Robert Koch D. Joseph Lister E. Paul Ehrlich
How many net ATP molecules are produced per glucose in the lactic acid pathway?