The proton-motive force has 

a. chemical potential energy due to proton-proton repulsion

b. chemical potential energy due to H+ difference in the two regions separated by the membrane 

c. electrical potential energy H+ difference in the two regions separated by the membrane 

d. electrical potential energy due to proton-proton repulsion

Which of the following is true

TLS Online TPP Program

#Question id: 19482

#Unit 12. Applied Biology

It has been proposed that the DNA-protein complex forms 

TLS Online TPP Program

#Question id: 4001

#Unit 3. Fundamental Processes

Which is not true about the lac repressor?

TLS Online TPP Program

#Question id: 2550

#Unit 2. Cellular Organization

In plant cells, the middle lamella ________.

TLS Online TPP Program

#Question id: 10975

#Unit 7. System Physiology – Animal

A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?

TLS Online TPP Program

#Question id: 19171

#Unit 13. Methods in Biology

Which of the following are the practical problems that arise due to the decrease in column diameter in Column Chromatography?