#Question id: 33369
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 4165
#Unit 3. Fundamental Processes
Which is true about proofreading activity during the synthesis of aminoacyl-tRNAs?
#Question id: 2014
#Unit 4. Cell Communication and Cell Signaling
Some pathogens can undergo rapid changes resulting in antigenic variation. Which of the following is such a pathogen?
#Question id: 23847
#Unit 2. Cellular Organization
#Question id: 5242
#Unit 8. Inheritance Biology
Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?