The fungus causing Dutch Elm disease is ________.
A) carried by the female Elm bark beetle
B) carried by the male Elm bark beetle
C) destroyed by the compound multistriatin
D) Two of the above are correct.
Question 2
Which of the following gases would diffuse the slowest through an extremely fine membrane?
A) He
B) O2
C) N2
D) F2
E) All of the above would diffuse at the same rate.