An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At neutral pH, which structure is most likely?
A. structure (a)
B. structure (b)
C. neither structure
D. both structures
Answer: B
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The Aboriginal population constitutes roughly what percentage of the population of contemporary Australia?
A) 1% B) 13% C) 70% D) 33% E) 3%
If the dry-bulb temperature is 90°F and the wet-bulb temperature is 79°F, What is the mixing ratio?
Using the psychrometer tables and the table of saturation mixing ratios, answer the question about determining relative humidity with a sling psychrometer. What will be an ideal response? __________ g/kg
Which stage in thunderstorm formation is characterized by updrafts accompanied by downdrafts induced by falling precipitation?
A) Cloud merger stage B) Cumulus stage C) Dissipating stage D) Mature stage
If you push for an hour against a stationary wall, no work is done
A) on the wall. B) at all. C) both A and B D) none of the above