TLS Online TPP Program

#Question id: 1096


Which of the following processes generally requires protein phosphorylation?

#Unit 4. Cell Communication and Cell Signaling
  1. activation of receptor tyrosine kinases

  2. activation of steroid hormone receptors

  3. activation of G protein-coupled receptors

  4. activation ligand-gated ion channels

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TLS Online TPP Program

#Question id: 17812

#Unit 7. System Physiology – Animal

The body's main stress hormone is ______.

TLS Online TPP Program

#Question id: 12232

#Unit 10. Ecological Principles

White-breasted nuthatches and Downy woodpeckers both eat insects that hide in the furrows of bark in hardwood trees. The Downy woodpecker searches for insects by hunting from the bottom of the tree trunk to the top, while the White-breasted nuthatch searches from the top of the trunk down. These hunting behaviours best illustrate which of the following ecological concepts?

TLS Online TPP Program

#Question id: 10158

#Unit 6. System Physiology – Plant

Following are some statements regarding CO2 assmilation;

a.) The reduction process-Hydroxypyruvate convert into Glycerate in Peroxisomes in Glycolate pathway

b.) In Calvin-Benson cycle action of Transketolase produces erythrose 4-phosphate and xylulose 5-phosphate during regeneration step

c.) In C4 cycle phosphoenolpyruvate carboxylase (PEPCase), catalyzes the initial carboxylation in mesophyll cells close to the external atmosphere

d.) The stomata of CAM plants open at night

Which of the following above statements combination TRUE?

TLS Online TPP Program

#Question id: 12607

#Unit 10. Ecological Principles

Which of the following lists of organisms is ranked in correct order from lowest to highest percent in production efficiency?

TLS Online TPP Program

#Question id: 3478

#Unit 11. Evolution and Behavior

Natural selection may favour the evolution of foraging behaviours by predator that