Which is true about guncotton?
a. It is a highly explosive derivative of cholesterol.
b. It is used to make gunpowder.
c. It is less stable than gunpowder.
d. It is more stable than gunpowder.
e. It has a higher activation energy for a reaction with oxygen than gunpowder.
ANSWER: c
You might also like to view...
All of the following are methods of prion disease transmission EXCEPT
A. organ or tissue transplantation. B. inheritance (genetic). C. contamination through use of inadequately processed surgical instruments. D. ingestion of infected tissue. E. inhalation (airborne).
Species turnover on islands has been observed to be low. What does this suggest about process in the equilibrium model of island biogeography?
A. Facilitation is of minor importance to this model. B. Secondary succession rarely succeeds. C. Succession on most islands is a fairly orderly process. D. The intermediate disturbance hypothesis can explain colonization rates. E. Immigration of new species often can not keep up with extinction.
Based on the following amino acid sequence, which region(s) is/are hydrophobic?
1[K-K-N-Q] - 2[A-G-G-V] - 3[Y-C-S-R] - 4[H-E-C-Y] A) region 1 B) region 2 C) region 3 D) region 4 E) both regions 1 and 3
The correct sequence of reagents used in the Gram stain technique is ____
a. iodine, alcohol, safranin, and crystal violet b. safranin, crystal violet, alcohol, and iodine c. crystal violet, iodine, alcohol, and safranin d. crystal violet, alcohol, iodine, and safranin e. alcohol, iodine, crystal violet, and safranin