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

Biology & Microbiology

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V. cholerae and Vibrio alginolyticus appear what color on TCBS agar?

a. Green b. Black c. Yellow d. Blue

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology