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TLS Online TPP Program

#Question id: 2117

Which of the following statements correctly describes osmosis?

#XL - T Zoology

  1. Osmosis only takes place in red blood cells.

  2. Osmosis is an energy-demanding or "active" process.

  3. In osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration.

  4. In osmosis, solutes move across a membrane from areas of lower water concentration to areas of higher water concentration.

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TLS Online TPP Program

#Question id: 2124

#XL - S Microbiology

An integral membrane protein can be extracted with:
TLS Online TPP Program

#Question id: 34351

#XL - S Microbiology

A microbial population is reduced from 1 × 106 CFU/mL to 1 × 103 CFU/mL after 9 minutes at 121°C. Assume first-order kinetics. What is the D-value (in minutes) at 121°C?
TLS Online TPP Program

#Question id: 1622

#XL - S Microbiology

 Polymorphonuclear neutrophils attack bacteria:
TLS Online TPP Program

#Question id: 11502

#XL - T Zoology

Which of these statements is false and therefore does not support the hypothesis that certain eukaryotic organelles originated as bacterial endosymbionts? Such organelles
TLS Online TPP Program

#Question id: 19785

#XL - P Chemistry

Which of the following expressions imposes the condition of quantization of energy of an electron in an atom?