TLS Online TPP Program

#Question id: 12585


Agricultural lands frequently require nutritional supplementation because

#Unit 10. Ecological Principles
  1. Nitrogen-fixing bacteria and detrivores do not cycle nutrients as effectively as they do on wild lands. 
  2. The nutrients that enter the plants are not returned to the soil on lands where they are harvested. 
  3. The prairies that comprise good agricultural land tend to be nutrient-poor.
  4. Grains raised for feed must be fortified, and thus require additional nutrients.
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TLS Online TPP Program

#Question id: 23140

#Unit 13. Methods in Biology

What will be the resolution of a compound microscope where numerical aperture given is 1.5 at 240 wavelength of light?

TLS Online TPP Program

#Question id: 15008

#Unit 8. Inheritance Biology

You have a white eyed, male fruit fly with vestigial wings and a wild type female known to be heterozygous for both traits. You know that vestigial is located on an autosome. What is the probability that a mating between these two flies will generate a female offspring with vestigial wings and white eyes?

TLS Online TPP Program

#Question id: 12216

#Unit 7. System Physiology – Animal

Gastric emptying is regulated to ensure the chyme enters the duodenum at an appropriate rate. Which of the following factors promotes gastric emptying?

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: 16497

#Unit 12. Applied Biology

Which vir gene act as an endonuclease and helps to nick the right border