TLS Online TPP Program

#Question id: 27094


Which of the following is incorrect regarding the βαβ Motif

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Almost all the proteins containing parallel beta sheets have this motif
  2. helix is found above the plane of the beta sheets.
  3. Helix is found below or same the plane of the beta sheets.
  4. beta sheets are found in same plane
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TLS Online TPP Program

#Question id: 4221

#Unit 3. Fundamental Processes

The genetic code is essentially the same for all organisms. From this, one can logically assume which of the following statements to be true?

TLS Online TPP Program

#Question id: 4222

#Unit 3. Fundamental Processes

Use the figure to answer the question. The figure shows a simple metabolic pathway. According to Beadle and Tatum's hypothesis, how many genes are necessary for this pathway?

TLS Online TPP Program

#Question id: 4223

#Unit 3. Fundamental Processes

Use the figure to answer the question. Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with which of the following nutrient(s)?

TLS Online TPP Program

#Question id: 4224

#Unit 3. Fundamental Processes

Use the figure to answer the question Refer to the metabolic pathway illustrated. If A, B, and C are all required for growth, a strain mutant for the gene encoding enzyme B would be able to grow on medium supplemented with which of the following nutrient(s)?

TLS Online TPP Program

#Question id: 4225

#Unit 3. Fundamental Processes

The following question refers to table of codons. Which of the following sequences of nucleotides are possible in the template strand of DNA that would code for the polypeptide sequence Phe-Leu-Ile-Val?

TLS Online TPP Program

#Question id: 4226

#Unit 3. Fundamental Processes

Which of the triplets below is a possible anticodon for a tRNA that transports proline to a ribosome?