#Question id: 399
#XL - S Microbiology
Calculate the pH of a 1 L solution containing 0.100 M formic acid and 0.100 M sodium formate before and after the addition of 1.00 mL of 5.00 M NaOH. How much would the pH change if the NaOH were added to 1.00 L of pure water? (pKa for formic acid is 3.75)
#Question id: 183
#XL - T Zoology
At pH 7.0, converting a glutamic acid to gamma-carboxyglutamate, will have what effect on the overall charge of the protein containing it?
#Question id: 3786
#XL - Q Biochemistry
E. coli cells grown on 15N medium are transferred to 14N medium and allowed to grow for two more generations (two rounds of DNA replication). DNA extracted from these cells is centrifuged. What density distribution of DNA would you expect in this experiment?
#Question id: 11270
#XL - R Botany
Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following is correct statement?
A. Consumption efficiencies of herbivore is higher in ocean than grassland
B. In aquatic ecosystems, production efficiencies of herbivore are greater than carnivores
C. Assimilation efficiencies for carnivores are typically higher than those of herbivores
D. Assimilation efficiency depends on the quality of food eaten and the physiological efficiency of the consumer
#Question id: 5747
#XL - T Zoology
Mosaicism is due to