#Question id: 18609
#Unit 13. Methods in Biology
#Question id: 28369
#Unit 5. Developmental Biology
During an experiment bicoid mRNA is added to the posterior side of wild type embryo____
#Question id: 4866
#Unit 8. Inheritance Biology
In a certain diploid plant, the three loci A, B, and C are linked as follows: Assuming 100% interference, if the plant with genotype ABC/abc is test cross, what proportion of the progeny will be of the genotype a b c/a b c?
#Question id: 3820
#Unit 3. Fundamental Processes
Meselson and Stahlʹs experiments involved growing E. coli on a medium containing 15N (heavy nitrogen) which increased the density of the bacterial DNA. Cells were then grown on a medium containing only 14N. DNA samples were obtained for analysis after one, two and three rounds of replication (generations) and centrifuged on a density gradient. The double-helical DNA forms bands in the gradient depending on its density. How many bands did Meselson and Stahl see after two generation of cells were grown on the 14N medium?
#Question id: 513
#Unit 1. Molecules and their Interaction Relevant to Biology
Arsenite
A) poisons by the same mechanism as arsenate.
B) is less toxic than arsenate.
C) binds tightly to lipoamide sulfur atoms.