The genome of Pelagibacter ubique ________.

A. is the smallest one thus far sequenced for a non-parasitic bacterium
B. has a very limited number of nucleotides between coding regions
C. contains no pseudogenes
D. All of the choices are correct.


Answer: D

Biology & Microbiology

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There is an autosomal gene that controls baldness, and

its expression is sex-influenced, so that the gene for baldness (B) is dominant in males but recessive in females. In females the allele B1 for nonbaldness is dominant over the gene for baldness. If a heterozygous nonbald woman marries a nonbald man, what will be the appearance of their children? Work out the possibilities for each sex. What will be an ideal response?

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The order of the structural genes in the lac operon is

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Which of the following statements about plants grown in hydroponic culture is true?

A. They cannot be used for commercial purposes. B. They are suspended with their roots in a nutrient solution. C. They are unable to photosynthesize. D. They no longer need to transport water through their xylem. E. They rarely get enough micronutrients.

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