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TLS Online TPP Program

#Question id: 19768

When atoms of the gold sheet are bombarded by a beam of á -particles, only a few á-particles get deflected whereas most of them go straight undeflected. This is because

#SCPH05 I Biotechnology
  1. The force of attraction on alpha -particles by the oppositely charged electron is not sufficient
  2. The nucleus occupies much smaller volume as compared to the volume of atom
  3. The force of repulsion on fast moving alpha-particles is very small
  4. The neutrons in the nucleus do not have any effect on alpha -particles
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TLS Online TPP Program

#Question id: 2118

#SCPH28 | Zoology

Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? The animal cell is in:
TLS Online TPP Program

#Question id: 2293

#I Life Science/ Life Sciences Group – I-V

Hooke, Lamark, and Dutrochet are all credited with developing the
TLS Online TPP Program

#Question id: 2262

#SCPH05 I Biotechnology

Ribosomes are made up of ____ subunits.
TLS Online TPP Program

#Question id: 2063

#I Life Science/ Life Sciences Group – I-V

In what way do the membranes of a eukaryotic cell vary?
TLS Online TPP Program

#Question id: 19307

#SCPH01 Biochemistry

Use of constitutive promoters to produce transgenic plants offers certain advantages.
(1) They can be used to drive reporter genes
(2) They are essential in proteins that are required in all tissues
(3) They are useful in driving transcription factors that are involved in transcription regulation
Mark the option with all correct statements?