A strain of bacteriophages was grown in BrdU. BrdU is a base analog, that when incorporated into DNA, causes the DNA to fluoresce yellow. Another culture of the bacteriophage strain was grown in media containing cysteine (an amino acid) linked to a red fluorescent molecule. Each strain of bacteriophage was allowed to infect unlabeled cells. Follow the patterns of fluorescence through infection. How would this experiment help prove that DNA is the genetic material

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.