#Question id: 258
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 11438
#Unit 1. Molecules and their Interaction Relevant to Biology
Two of the common amino acids are analyzed. At pH = 7.0, amino acid X is negatively charged while amino acid Y is positively charged. Which will be a characteristic of amino acid X?
#Question id: 12762
#Unit 10. Ecological Principles
#Question id: 3700
#Unit 3. Fundamental Processes
In the Meselson-Stahl DNA replication experiment, if the cells were first grown for many generations in 15N containing media, and then switched to 14N containing media, what percent of the DNA had 1 light strand and 1 heavy strand after 2 generations of growth in 15N growth media?
#Question id: 28088
#Unit 6. System Physiology – Plant