The Chloroplastida (green algae) include a wide diversity of forms ranging from unicellular to colonial individuals.
Answer the following statement true (T) or false (F)
True
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You expect that a mutation in E. coli that was recently isolated results in loss of enzyme R activity. In looking for the gene, you find comparable sequences. Using an in vitro transcription translation system, you use the gene obtained from the mutant, as well as a wild type E. coli as a control. Following protein isolation and gel electrophoresis, you observe that the wild type E. coli produces
a protein that is 35K in size, corresponding to enzyme R. However, the mutant strain produces a protein that is 25K in size. What does this information suggest? A) A nonsense mutation has occurred, resulting in a truncated, nonfunctional product in the mutant. B) A large addition has occurred in the wild type strain, such that approximately 35 tandem repeats of this gene are present and are biologically active. C) A missense mutation has occurred, resulting in a truncated, nonfunctional product in the mutant. D) all of the above E) Not enough information is given.
V. cholerae and Vibrio alginolyticus appear what color on TCBS agar?
a. Green b. Black c. Yellow d. Blue
During transcription which strand will act as the template for coding? a. The DNA strand
b. Both can be used as a template. c. The RNA strand. d. Neither is used as a template. e. None of these choices.
Darwin recognized that female preference for showy colors based on inheritance causes these male traits to become
more common over time. ________ Indicate whether the statement is true or false.