Question

Ms. green's biology students were studying cellular respiration. using baking yeast to test the rate of fermentation, student groups mixed yeast with different manipulated variables. the groups used the height of the carbon dioxide bubbles produced in a test tube to determine which variable(s) produced the highest rate of fermentation. students hypothesized that adding ______________to a sixth test tube would produce the greatest amount of carbon dioxide.
a.boiled water.

b.warm water, yeast, and salt.

c.warm water, yeast, and lactose. eliminate

d.boiled yeast and glucose.

Answer 1

D.adding boiled yeast and glucose

Answer 2

its actually C. warm water, yeast and lactose. just took the test (hope this helps anyone)