Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 55774
TLS Online TPP Program

#Question id: 11849

According to chemiosmotic model for polar auxin transport, auxin _____A_______is driven by the______B________ across the plasma membrane, while auxin ___C_____is driven by the_________D_________

#Unit 6. System Physiology – Plant
  1. A-efflux,  B-proton motive force (∆E + ∆pH),  C-infflux,  D-membrane potential, ∆E
  2. A-influx,  B-proton motive force (∆E + ∆pH),  C-efflux,  D-membrane potential, ∆E
  3. A-influx,  B-membrane potential, ∆E,  C-efflux,  D-proton motive force (∆E+∆pH)
  4. A-removal,  B-membrane potential, ∆E,  C-uptake,  D-proton motive force (∆E+∆pH)
More Questions
TLS Online TPP Program

#Question id: 1419

#Unit 4. Cell Communication and Cell Signaling

Mitochondrial permeabilization can be induced by compounds that poke small holes in the outer membrane. This would cause:
TLS Online TPP Program

#Question id: 13146

#Unit 8. Inheritance Biology

Two gene A and B  gene distance is 30 m.u. if the frequency of the given gametes is,
i) AaBb=0.70 ii) Aabb=0.30
What will be the correct prediction?
a) Genes a and b are linked in cis
b) A and B gene are independently assort
c) Gene a and b showing incomplete linkage
d)  Genes a and b are linked in trans
TLS Online TPP Program

#Question id: 4797

#Unit 8. Inheritance Biology

Non allelic genotype aa governing white phenotype with recessive epistatic over non allelic gene B for red phenotype Which of the following cross would produce 25 % white phenotype in their offspring? 
TLS Online TPP Program

#Question id: 425

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is usually the slowest way to regulate a reaction in a metabolic pathway?
TLS Online TPP Program

#Question id: 935

#Unit 1. Molecules and their Interaction Relevant to Biology

Microorganisms capable of fixing nitrogen into a form usable by animals obtain the energy for this process from ________.