#Question id: 53
#SCPH01 Biochemistry
Calculate the number of times the DNA of a modern E. coli cell has been copied accurately since its earliest bacterial precursor cell arose about 3.5 billion years ago. Assume for simplicity that over this time period, E. coli has undergone, on average, one cell division every 12 hours (this is an overestimate for modern bacteria, but probably an underestimate for ancient bacteria).
#Question id: 22953
#I Life Science/ Life Sciences Group – I-V
#Question id: 2621
#SCPH01 Biochemistry
The leaky expression of lac genes ensures that,
#Question id: 5555
#I Life Science/ Life Sciences Group – I-V
The formation of the fertilization envelope requires an increase in the cytosolic concentration of ________.
#Question id: 5121
#SCPH01 Biochemistry
Following statements are being made regarding ‘stem cells. Which statement is incorrect?