TLS Online TPP Program

#Question id: 20329

#Unit 4. Cell Communication and Cell Signaling

What are AHL molecules?

TLS Online TPP Program

#Question id: 12700

#Unit 7. System Physiology – Animal

A young man is found comatose, having taking an unknown number of sleeping pills an unknown time before. An arterial blood sample yields the following values: pH = 7.02, HCO3− = 14 mEq/L, and PCO2 = 68 mm Hg. This patient’s acid–base status is most accurately described as

TLS Online TPP Program

#Question id: 3892

#Unit 3. Fundamental Processes

The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:

TLS Online TPP Program

#Question id: 10334

#Unit 6. System Physiology – Plant

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called

TLS Online TPP Program

#Question id: 20711

#Unit 12. Applied Biology

During the electron transfer process, usable energy is recovered via a series of redox reactions through the formation of 

1. Energy storage compounds 

2. Electrochemical gradients

3. Vacoules

Which of the below combinations are correct?