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TLS Online TPP Program

#Question id: 10568

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

#XL - R Botany
  1. Water particles move out of the cell, Cell membrane Shrinks and detaches from the cell wall
  2. Water particles move into the cell, cell wall counteracts osmotic pressure  to prevent swelling and lysis
  3. No net movement of water particles , Cell membrane is attached to cell wall
  4. A solution that has the same solute concentration as another solution
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TLS Online TPP Program

#Question id: 19544

#XL - P Chemistry

Which of the following metal ions plays an important role in muscle contraction?
TLS Online TPP Program

#Question id: 3455

#XL - T Zoology

A duck egg is removed from its mother’s nest and incubated by a barnyard hen. The duckling hatches out in the presence of the barnyard hen and stays in her nest. After a couple of days, the duckling is presented with a choice between its biological mother and the hen that incubated it. The duckling approaches and follows the hen. This set of observations demonstrates the phenomenon of
TLS Online TPP Program

#Question id: 5245

#XL - S Microbiology

Which method of gene transfer involves direct contact between the bacteria?
TLS Online TPP Program

#Question id: 562

#XL - Q Biochemistry

Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?
TLS Online TPP Program

#Question id: 11575

#XL - T Zoology

Fight-or-flight reactions include activation of the ________.