TLS Online TPP Program

#Question id: 4344


How does the transcription of structural genes in an inducible operon occur?

#Unit 3. Fundamental Processes
  1. It occurs continuously in the cell.

  2. It starts when the pathway's substrate is present.

  3. It starts when the pathway's product is present.

  4. It stops when the pathway's product is present.

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TLS Online TPP Program

#Question id: 10566

#Unit 6. System Physiology – Plant

What happens if this cell is placed in the beaker containing 0.1 M sucrose, Because the water potential of the sucrose solution (Yw = –0.244) is greater than the water potential of the cell (Yw = –0.732 MPa)

a) Water will move from the cell to the sucrose solution

b) From high to low water potential

c) From low to high water potential

d) Water will move from the sucrose solution to the cell

Which of the following statement is CORRECT?

TLS Online TPP Program

#Question id: 10567

#Unit 6. System Physiology – Plant

Cell A is having solute potential of -14 and Pressure potential of 3. Cell B is having Solute potential of -16 and Pressure potential of 4. The water will travel from

TLS Online TPP Program

#Question id: 10568

#Unit 6. System Physiology – Plant

Turgid cell dropped into sucrose solution , the cell has Yp = 0.488 MPa Ys = –0.732 MPa Yw = –0.244 Mpa , 0.3 M Sucrose solution contain Yp = 0 MPa Ys = –0.732 MPa Yw = –0.732 Mpa , Choose the correct option

TLS Online TPP Program

#Question id: 10569

#Unit 6. System Physiology – Plant

Plants that grow in saline environments, called

TLS Online TPP Program

#Question id: 10570

#Unit 6. System Physiology – Plant

The diffusion coefficient (Ds ) is a characteristic of the substance

a) diffusion in liquid is much faster than diffusion in air

b) larger molecules have smaller diffusion coefficients

c) diffusion in air is much faster than diffusion in a liquid

d) Larger molecules have larger diffusion coefficient

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 10571

#Unit 10. Ecological Principles

Uniform spacing patterns in plants such as the creosote bush are most often associated with