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TLS Online TPP Program

#Question id: 53

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).

#SCPH28 | Zoology

  1. 4.6 × 10^12 generations

  2. 3.4 × 10^13 generations

  3. 2.6 × 10^12 generations

  4. 2.6 × 10^11 generations

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TLS Online TPP Program

#Question id: 11673

#SCPH28 | Zoology

Low selectivity of solute movement is a characteristic of ________.
TLS Online TPP Program

#Question id: 13040

#SCPH01 Biochemistry

Which of the following is incorrect about Oligonucleotide Design in A microarray? 
TLS Online TPP Program

#Question id: 2646

#SCPH01 Biochemistry

How many stem loop structures play important role in complete system of tryptophan gene regulation?
TLS Online TPP Program

#Question id: 14830

#SCPH06 I Botany

Proton motive force
TLS Online TPP Program

#Question id: 27147

#SCPH05 I Biotechnology

The Concentration of the two phases in a closed system at the Interphase is