During recombination in E. coli, ________ recognize(s) regions of sequence similarity and promote(s) strand invasion, while ________ bind(s) to a Holliday junction promoting strand migration.

TLS Online TPP Program

#Question id: 12300

#Unit 7. System Physiology – Animal

Which of the following changes, compared with normal, would be expected to occur, under steady-state conditions, in a patient whose severe renal disease has reduced the number of functional nephrons to 25% of normal?

TLS Online TPP Program

#Question id: 12301

#Unit 7. System Physiology – Animal

Which of the following would likely lead to hyponatremia?

TLS Online TPP Program

#Question id: 12371

#Unit 10. Ecological Principles

Succession results from disturbance by fire.

TLS Online TPP Program

#Question id: 12372

#Unit 10. Ecological Principles

In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a  single species dominated the field. A possible factor in this secondary succession was

TLS Online TPP Program

#Question id: 12373

#Unit 10. Ecological Principles

You are most likely to observe primary succession in a terrestrial community when you visit a(n) 

TLS Online TPP Program

#Question id: 12374

#Unit 10. Ecological Principles

The process in which pioneer species colonize a bare substrate such as rock, sand, or glacial till is known as