#Question id: 3746
#XL - Q Biochemistry
During recombination in E. coli, ________ recognize(s) regions of sequence similarity and promote(s) strand invasion, while ________ bind(s) to a Holliday junction promoting strand migration.
#Question id: 10996
#XL - T Zoology
A ventricular depolarization wave when traveling 60° in the frontal plane will cause a large positive deflection in which of the following leads?
#Question id: 2100
#XL - S Microbiology
Cholesterol, bile acids, ergosterol, and stigmasterol share all the following common structural features except
#Question id: 10325
#XL - S Microbiology
Ultimately, which of these serves as the basis for both the principle of maximum parsimony and the principle that shared complexity indicates homology rather than analogy?
#Question id: 578
#XL - Q Biochemistry
An enzyme that catalyzes conversions of L-sugars to D-sugars is called a/an ________.