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TLS Online TPP Program

#Question id: 13213

The cuticle covering the leaf is nearly impermeable to water, then how do most leaf transpiration

#Unit 6. System Physiology – Plant
  1. From bulk flow
  2. From the diffusion of water vapor through the stomatal pore 
  3. By embolism
  4. the diffusion of water vapour through the guard cell
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TLS Online TPP Program

#Question id: 4628

#Unit 11. Evolution and Behavior

Which group is composed entirely of individuals who maintained that species are fixed (i.e., unchanging)?

A) Linnaeus

B) Lyell

C) Darwin

D) Aristotle

E) Cuvier
TLS Online TPP Program

#Question id: 33452

#Unit 1. Molecules and their Interaction Relevant to Biology

For mixtures of nucleotides, a wavelength of 260 nm is used for absorption measurements for identification. Choose correct order of absorption spectra.
TLS Online TPP Program

#Question id: 1175

#Unit 4. Cell Communication and Cell Signaling

Which of the following mechanisms is NOT used to terminate cytokine signaling and the JAK/STAT pathway?
TLS Online TPP Program

#Question id: 2664

#Unit 2. Cellular Organization

Which of the following is an example of positive gene regulation?
TLS Online TPP Program

#Question id: 364

#Unit 1. Molecules and their Interaction Relevant to Biology

 A solution contains 0.0000001 (10-7) moles of hydrogen ions [H+] per liter. Which of the following best describes this solution?