TLS Online TPP Program

#Question id: 11448


Artificial electrical stimulation of a human's capsaicin-sensitive neurons would likely produce the sensation of ________.

#Unit 7. System Physiology – Animal
  1. cold temperature
  2. hot temperature
  3. tactile stimulus
  4. deep pressure
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TLS Online TPP Program

#Question id: 15267

#Unit 13. Methods in Biology

Which of the following is relatively more stable to heat

TLS Online TPP Program

#Question id: 12802

#Unit 10. Ecological Principles

In  which  community  would  organisms  most  likely  have  adaptations  enabling  them  to  respond  to  different photoperiods?

TLS Online TPP Program

#Question id: 24525

#Unit 11. Evolution and Behavior

__________ is the number of offspring an individual leaves in the next generation

TLS Online TPP Program

#Question id: 8296

#Unit 9. Diversity of Life Forms

Giardia intestinalis can cause disease in several different mammalian species, including humans. Giardia organisms (G. intestinalis) that infect humans are similar morphologically to those that infect other mammals, thus they have been considered a single species. However, G. intestinalis has been divided into different subgroups based on their host and a few other characteristics. In 1999, a DNA sequence comparison study tested the hypothesis that these subgroups actually constitute different species. The following phylogenetic tree was constructed from the sequence comparison of rRNA from several subgroups of G. intestinalis and a few other morphologically distinct species of Giardia. The researchers concluded that the subgroups of Giardia are sufficiently different from one another genetically that they could be considered different species.


According to the phylogenetic tree in the figure above, G. intestinalis constitutes a ________ group.

TLS Online TPP Program

#Question id: 1020

#Unit 4. Cell Communication and Cell Signaling

HIV/AIDS can be categorized as a new or emerging infectious disease. By putting it into this category, we are effectively saying that