15) A spontaneous chemical reaction:
a) will never occur on its own
b) could occur on its own, but might take a long time
c) has to occur immediately
13) Disulfide bridges stabilize which of the following levels ofprotein structure?
a) primary
b) secondary
c) tertiary
d) all of the above
e) none of the above
d) has an overall positive free energy change (ΔG)
e) decreases entropy, according to the 2nd Law ofThermodynamics
14) In your research, you expose a culture of amoebae tomutating radiation and then isolate a mutant cell that is unable tomove (it cannot crawl around), but otherwise grows, divides, andappears normal. You suspect that most likely, this cell has amutation in a gene that encodes a protein involved in:
a) actin filament formation
b) microtubule formation
c) ribosome assembly
d) intermediate filament formation
e) DNA formation
