Starch is a large molecule (molecular weight at least 100,00…

Starch is a large molecule (molecular weight at least 100,000). The molecular weight if iodine (I2) is 253 Which molecule would be more likely to pass through dialysis tubing? [molecule] Where would the iodine-starch reaction (bluish-black color) occur (in the beaker or in the dialysis tubing)? [location]  

Keith conducts a research study to examine how mental fatigu…

Keith conducts a research study to examine how mental fatigue influences frustration levels. He has one group of participants complete a mentally exhausting problem-solving task for ten minutes, and a second group of participants complete an easy crossword puzzle for ten minutes. Then, he observes participant reactions to being prevented from achieving a desired goal on a second unrelated task as a measure of frustration levels. In this research study, the experimental condition is _____.