#Question id: 4427
#Unit 3. Fundamental Processes
Insulators
#Question id: 29446
#Unit 6. System Physiology – Plant
The binding of Nod factors to the Nod factor receptors (NFRs), which contain
#Question id: 5294
#Unit 8. Inheritance Biology
Interrupted mating experiments were performed using three different Hfr strains (1-3). The three strains have different combinations of selectable markers. The time of entry for markers for each strain is shown is shown in the table given.
|
Hfr 1 |
Phe (5) |
Trp (35) |
Met (50) |
Ala (52) |
|
Hfr 2 |
Trp (2) |
Val (12) |
His (57) |
Pro (87) |
|
Hfr 3 |
Ala (10) |
Met (12) |
Val (37) |
Phe (57) |
Using the above data, predict the correct sequence of markers on the E. coli chromosome
#Question id: 5605
#Unit 5. Developmental Biology
Double fertilization is a unique feature of flowering plants. In this process, one sperm unites with the egg to yield a zygote. The second sperm unites with the polar nuclei to initiate the formation of the
#Question id: 18921
#Unit 13. Methods in Biology