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TLS Online TPP Program

#Question id: 31372

Following statements are regarding lens induction in xenopus. choose incorrect statement?

#Unit 5. Developmental Biology
  1. Optic vesicle is able to induce lens formation in the anterior portion of the ectoderm.
  2. Optic vesicle cannot induce ectoderm that is not competent.
  3. Most other tissues are able to substitute for the optic vesicle and promote lens induction.
  4. If the optic vesicle is removed, the surface ectoderm forms either an abnormal lens or no lens at all. 
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TLS Online TPP Program

#Question id: 10356

#Unit 6. System Physiology – Plant

Why the GS  and GOGAT is activated in light and while the AS is inhibited?
TLS Online TPP Program

#Question id: 21272

#Unit 12. Applied Biology

The acoustic wave biosensors are type of _____________ based sensors?
TLS Online TPP Program

#Question id: 2636

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following events occur when E. coli is starved for tryptophan?

I.  The ribosome translates leader peptide completely

II. Transcription reads through attenuator into trp EDCBA

III. Tryptophanyl tRNA is not formed

IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site
TLS Online TPP Program

#Question id: 14966

#Unit 2. Cellular Organization

The bacterial cell wall is composed of a macromolecular network called peplidoglycan (also known as murein) which is present either alone or in combination with other substances
TLS Online TPP Program

#Question id: 8847

#Unit 9. Diversity of Life Forms

A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound?