TLS Online TPP Program
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TLS Online TPP Program
#Question id: 16478
#Unit 12. Applied Biology
Histolytic cultures are used to study
TLS Online TPP Program
#Question id: 7092
#Unit 5. Developmental Biology
A gap gene mutation might cause which of the following defects in the embryonic body plan?
TLS Online TPP Program
#Question id: 10360
#Unit 6. System Physiology – Plant
How much ATP require in the nitrogen fixation or conversion of ammonium assimilation in the system?
TLS Online TPP Program
#Question id: 12057
#Unit 7. System Physiology – Animal
A tsunami tidal wave hits the east coast of South America and the people living there are forced to drink unclean water. Within the next several days, a large number of people develop severe diarrhea and about half of these people expire. Samples of drinking water are positive for Vibrio cholerae. Which of the following types of ion channels is most likely to be irreversibly opened in the epithelial cells of the crypts of Lieberkühn in these people with severe diarrhea?
TLS Online TPP Program
#Question id: 4033
#Unit 3. Fundamental Processes
Which of the following statements is false regarding the sigma-factor?
A. It does not have a DNA-binding domain.
B. Interaction with the core enzyme unmasks the DNA-binding region.
C. Subregions 2.4 and 4.4 are involved in promoter recognition.
D. It can also bind to the nontemplate strand.