Some people who take beta blockers get out of breath when they exercise. Explain why beta blockers can have this effect during exercise.

How does an angiosperm prevent self pollination

What are the ingredients of oobleck?

You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple