#Question id: 19176
#Unit 13. Methods in Biology
#Question id: 1457
#Unit 4. Cell Communication and Cell Signaling
For a chemotherapeutic drug to be useful for treating cancer cells, which of the following characteristics is most desirable?
#Question id: 73
#Unit 1. Molecules and their Interaction Relevant to Biology
Match the Variation of Reaction Spontaneity (Sign of ΔG) given in Column I with the Signs of ΔH and ΔS given in column II.
COLUMN I |
COLUMN II |
|
|
|
ΔH |
ΔS |
ΔG = ΔH – TΔS |
1. |
− |
+ |
a. The
reaction is both enthalpically and entropically opposed. It is nonspontaneous
(endergonic) at all temperatures. |
2. |
− |
− |
b. The
reaction is enthalpically opposed (endothermic) but entropically favored. It
is spontaneous only at temperatures above T = ΔH/ΔS. |
3. |
+ |
+ |
c. The
reaction is enthalpically favored but entropically opposed. It is spontaneous
only at temperatures below T = ΔH/ΔS. |
4. |
+ |
− |
d. The
reaction is both enthalpically favored (exothermic) and entropically favored.
It is spontaneous (exergonic) at all temperatures. |
#Question id: 12984
#Unit 10. Ecological Principles
#Question id: 29506
#Unit 6. System Physiology – Plant