George Beadle and Edward Tatum created a collection of mutants to study the following pathway
A mutant shows no growth on minimal media; however it shows growth if citrulline is provided.
These results indicate the mutation would most likely be in the gene for:
A. Enzyme I.
B. Enzyme II.
C. Enzyme III
D. either Enzyme I or Enzyme II.
E. either Enzyme II or Enzyme III.
D
You might also like to view...
Which type of microscope does not use light in forming the specimen image?
A. Phase-contrast B. Bright-field C. Fluorescence D. Dark-field E. Electron
Which of the following is not normally considered a pathogenic species of Clostridium?
A. C. perfringens B. C. tetani C. C. acetobutylicum D. C. botulinum
Increased heart rate and blood pressure and unusually heavy sweating are symptoms of
a. hyperthyroidism. b. Grave's disease. c. acromegaly. d. hypothyroidism. e. Wilson's disease.
If you're running a multiple regression of employee Hours Worked on Tenure (in number of years) and MBA (a binary variable equal to 1 for an employee with an MBA, 0 otherwise), what moment conditions would not be used?
A. 
= 0
B. 
= 0
C. 
= 0
D. 
= 0