45. FREE POINT! =)  Select the FREE POINT below! 

Which of the following nuclides is most likely to undergo beta decay?

What percentage of a radioactive substance remains after 3.00 half-lives have elapsed?

Determine the identity of the daughter nuclide from the positron emission of Ge.

47. BONUS! (1pt.) It’s been a AMAZING semester! I hope you learned TONS of biology even while being online! ! Have a great summer break and I wish you the best moving forward! =) To earn your 1pt EXTRA CREDIT, tell me your LEAST favorite thing about class this semester!

46. BONUS! (1pt.) It’s been a AMAZING semester! I hope you learned TONS of biology even while being online! Have a great summer break and I wish you the best moving forward! =) To earn your 1pt EXTRA CREDIT, tell me your favorite thing about class this semester!

  When reading your results from identifying a Bacillus species, you see that your BEA has turned black throughout the tube.  How would you interpret your result?

You isolate two Bacillus species, Bacillus subtilis and Bacillus megaterium. B. subtilis is positive for the BEA test, and B. megaterium is negative.  Name 1 ingredient in the BEA that allowed you to differentiate between species.

What 2 antigens are present on the surface of a Staphylococcus aureus bacterium that facilitate the Rapid testing of this organism?  Note: 2 answers required

What are the 2 genes found on the pGREEN plasmid used for transformation? Note: 2 answers required