A patient with an O blood type can receive a transfusion from a donor with blood type _______ only.  

What reagent was used to check for the presence of Sulfate ions?

Where in a cell does fermentation take place?

The rate of diffusion can be influenced by different factors. Name one factor that would decrease the rate of diffusion.

In the experiment where you were studying rate of oxygen consumption due to cellular respiration in soybeans, what was the independent variable?

By what process are plant pigments separated?  

 A dialysis bag containing a solution of 12% sucrose is placed in a beaker containing a solution of 15% sucrose. The dialysis bag is permeable to water but not sucrose.  What will happen to the weight of the bag over time?  

What happens to an organism’s metabolic rate as body mass increases?

Question from “The Birth-Mark” What does the birth-mark resemble?

Question from “A Very Old Man with Enormous Wings” What causes the crowd around the old man to disperse?