#Question id: 4223
#Unit 3. Fundamental Processes
Use the figure to answer the question. Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with which of the following nutrient(s)?
#Question id: 23839
#Unit 2. Cellular Organization
#Question id: 2695
#Unit 2. Cellular Organization
Which of the following palindromes is not a restriction site?
#Question id: 160
#Unit 1. Molecules and their Interaction Relevant to Biology
Of the 20 standard amino acids, only ___________ is not optically active. The reason is that its side chain ___________.
#Question id: 5250
#Unit 8. Inheritance Biology
A researcher would like to map the location of galE and trpA genes in a new species of bacterium that appears to be closely related to E. coli. He decides to use cotransduction, and generatesnappropriate donor and recipient strains. He is disappointed when cotransduction is not seen in his experiement. What is the most reasonable explanation for this situation?