#Question id: 1557
#SCPH06 I Botany
which one of these antibody can cross placenta?
#Question id: 2699
#SCPH05 I Biotechnology
Which of the following does not promote stability in stem-loop structure?
#Question id: 53
#I Life Science/ Life Sciences Group – I-V
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: 16014
#SCPH05 I Biotechnology
#Question id: 6979
#SCPH28 | Zoology
The muscle-forming cells of the vertebrate limb come from: