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TLS Online TPP Program

#Question id: 13210

In Cohesion–Tension Theory, the pressure gradients needed to move water through the xylem could result from

#Unit 6. System Physiology – Plant
  1. the generation of positive pressures at the base of the plant or negative pressures at the top of the plant
  2. the generation of positive pressure both at the base of the plant and at the top of the plant
  3. the generation of negative pressure both at the base of the plant and at the top of the plant 
  4. the generation of negative pressure at the base of the plant or positive pressure at the top of the plant   
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TLS Online TPP Program

#Question id: 23895

#Unit 13. Methods in Biology

Which technique separates nucleic acids (DNA and RNA) by molecular weight?
TLS Online TPP Program

#Question id: 19362

#Unit 13. Methods in Biology

What is the size of fragments that can be obtained by using a phagemid vector?
TLS Online TPP Program

#Question id: 16772

#Unit 13. Methods in Biology

What is the Median of the following data sample? 2, 7, 4, 8, 9, 10, 6, 12, 13
TLS Online TPP Program

#Question id: 5456

#Unit 8. Inheritance Biology

Traits which exhibit continuous phenotypic variation are typically determined by this inheritance form _______.
TLS Online TPP Program

#Question id: 380

#Unit 1. Molecules and their Interaction Relevant to Biology

The Henderson-Hasselbalch equation: