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TLS Online TPP Program

#Question id: 4251

Which of the following statements correctly describes the effect a nonsense mutation would have on a gene?

#Unit 3. Fundamental Processes

  1. It changes an amino acid in the encoded protein.

  2. It has no effect on the amino acid sequence of the encoded protein.

  3. It introduces a premature stop codon into the mRNA.

  4. It alters the reading frame of the mRNA.

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TLS Online TPP Program

#Question id: 28493

#Unit 5. Developmental Biology

Zone of polarizing activity (ZPA) involves in which patterns of cell fates?
TLS Online TPP Program

#Question id: 28494

#Unit 5. Developmental Biology

 Which of the following is the major active factor in the ZPA?
TLS Online TPP Program

#Question id: 28495

#Unit 5. Developmental Biology

The thickening of the ectoderm at the apex of the developing limb bud that is called___ 
TLS Online TPP Program

#Question id: 28496

#Unit 5. Developmental Biology

Which of the following is the major active factor in the AER?
TLS Online TPP Program

#Question id: 28497

#Unit 5. Developmental Biology

Which of the following genes play an essential role in specifying whether a particular mesenchymal cell will become stylopod, zeugopod, or autopod?
TLS Online TPP Program

#Question id: 28498

#Unit 5. Developmental Biology

In case of hindlimb, which Hox gene specify the stylopod?