Practice Questions

TLS Online TPP Program

#Question id: 11483

Experiments with genetically altered mice showed that the mice would consume abnormally high amounts of bitter-tasting compounds in water after their ________.

#Unit 7. System Physiology – Animal

hormone receptors for digestive hormones were reduced or eliminated, showing that bitter tastes are reinforced by digestive responses
salt-taste cells were altered to express receptors for bitter tastants, suggesting that animals have unregulated salt appetites
visual sense was reduced or eliminated, suggesting that mice learn visual cues about bitter tastes
sweet-taste cells were altered to express receptors for bitter tastants, suggesting that the sensation of taste depends only on which taste cell is stimulated

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TLS Online TPP Program

#Question id: 7765

#Unit 5. Developmental Biology

The enzyme complex or gene that maintains telomere integrity is________, which acts as an antisenescence complex. Mice and humans with its deficiencies age prematurely (Mitchell et al. 1999). Overexpressing or reactivating it in senescent cells extends longevity in mice without increasing cancer,

TLS Online TPP Program

#Question id: 23320

#General Aptitude

The step of experimental method is

TLS Online TPP Program

#Question id: 12565

#Unit 10. Ecological Principles

If we say a species is endemic to a certain area, we mean that

TLS Online TPP Program

#Question id: 4726

#Unit 8. Inheritance Biology

Which of the following is incorrect regards genomic imprinting?