#Question id: 3825
#Unit 3. Fundamental Processes
Telomeres are the repetitive sequence of T's and G's that are present in the eukaryotes to protect the random cleavage from nucleases. These telomeres are synthesized by the enzyme telomerase. Which of the following are the properties of enzyme telomerase?
#Question id: 34134
#Unit 7. System Physiology – Animal
#Question id: 3786
#Unit 3. Fundamental Processes
E. coli cells grown on 15N medium are transferred to 14N medium and allowed to grow for two more generations (two rounds of DNA replication). DNA extracted from these cells is centrifuged. What density distribution of DNA would you expect in this experiment?
#Question id: 11814
#Unit 6. System Physiology – Plant
Simplified biosynthetic pathway for cytokinin biosynthesis
followed given such steps;
a) isopentenyl transferase (IPT), is the addition of the
isopentenyl side chain from DMAPP (dimethylallyl diphosphate) to an adenosine
moiety (AMP)
b) iPRTP or iPRDP is converted to ZTP or ZDP respectively by
cytochrome P450 monooxygenase and
eventually is converted to zeatin
c) The ribotide and riboside forms of trans-zeatin can be
interconverted, and free transzeatin can be formed from the ribotide by the
LONELY GUY (LOG) family of cytokinin
Which of the following steps is true of the cytokinin biosynthesis?
#Question id: 19876
#Unit 13. Methods in Biology