Which subunit of the E. coli core RNA polymerase (a2bbʹw) contributes to DNA binding?

A) a                 B) b                 C) bʹ                D) w

TLS Online TPP Program

#Question id: 15713

#12. Applied Biology

A relatively ______ concentration of auxin favours cell proliferation and root differentiation while _______levels of cytokinin promote bud differentiation.

TLS Online TPP Program

#Question id: 12391

#6. System Physiology – Plant

Which of the following processed are involve in cell enlargement in plant?

a) Osmotic uptake of water across the plasma membrane is driven by the gradient in water potential (∆Yw)

b) Turgor pressure builds up because of the rigidity of the cell wall

c) Biochemical wall loosening occurs, allowing the cell to expand in response to turgor pressure

TLS Online TPP Program

#Question id: 11265

#10. Ecological Principles

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?

TLS Online TPP Program

#Question id: 19341

#12. Applied Biology

________ is a device which detects the changes in temperature?

TLS Online TPP Program

#Question id: 565

#1. Molecules and their Interaction Relevant to Biology

A transition-state analog: