Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 39711
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).

#SCPH05 I Biotechnology

  1. 4.6 × 10^12 generations

  2. 3.4 × 10^13 generations

  3. 2.6 × 10^12 generations

  4. 2.6 × 10^11 generations

More Questions
TLS Online TPP Program

#Question id: 3460

#SCPH28 | Zoology

The many eyes hypothesis suggests prey flock because:
TLS Online TPP Program

#Question id: 3461

#SCPH06 I Botany

the most common way that altruism between related individuals evolves and results from
TLS Online TPP Program

#Question id: 3461

#SCPH28 | Zoology

the most common way that altruism between related individuals evolves and results from
TLS Online TPP Program

#Question id: 3462

#SCPH06 I Botany

Which describes brightly colored peacocks mating more frequently than drab peacocks?
TLS Online TPP Program

#Question id: 3462

#SCPH28 | Zoology

Which describes brightly colored peacocks mating more frequently than drab peacocks?
TLS Online TPP Program

#Question id: 3463

#SCPH06 I Botany

Which one of the following statements is INCORRECT?