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TLS Online TPP Program

#Question id: 4132

In E. coli, aminoacyl-tRNA synthetases:

#SCPH05 I Biotechnology

  1. activate amino acids in 12 steps

  2. are amino acid–specific; there is at least one enzyme specific for each amino acid.

  3. fall into two classes, each of which attaches amino acids to different ends of the tRNA.

  4. have no proofreading activities.

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TLS Online TPP Program

#Question id: 8895

#SCPH28 | Zoology

What is one characteristic that separates chordates from all other animals?
TLS Online TPP Program

#Question id: 2113

#SCPH06 I Botany

Why are lipids and proteins free to move laterally in membranes?
TLS Online TPP Program

#Question id: 19349

#SCPH28 | Zoology

An example of promoter that can respond to anaerobic condition is 
TLS Online TPP Program

#Question id: 10987

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

If the ventricular Purkinje fibers become the pacemaker of the heart, what is the expected heart rate?
TLS Online TPP Program

#Question id: 2059

#SCPH05 I Biotechnology

For a protein to be an integral membrane protein, it would have to be: