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TLS Online TPP Program
#Question id: 18797
#Unit 13. Methods in Biology
A replicating cells that have incorporated a high level of BrdU are exposed to light, they will
TLS Online TPP Program
#Question id: 15383
#Unit 8. Inheritance Biology
You are trying to develop true breeding blue hydrangeas, but the plants in one corner of your plot consistently turn pink regardless of your mating strategy. Which of the following would you suspect?
TLS Online TPP Program
#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
TLS Online TPP Program
#Question id: 251
#Unit 1. Molecules and their Interaction Relevant to Biology
The rise and pitch of B-DNA are 0.33 nm and 3.40 nm, respectively. About how many helical turns are there in a fragment 1 mm in length?
TLS Online TPP Program
#Question id: 33698
#Unit 2. Cellular Organization
Globin gene clusters are found on chromosomes