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TLS Online TPP Program

#Question id: 601

In a ping-pong reaction which does not occur?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. One product is released before a second substrate is bound.

  2. The enzyme covalently binds a portion of the first substrate.

  3. The enzyme is permanently converted to an altered form by the first substrate.

  4. A group is transferred from one substrate to another.

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TLS Online TPP Program

#Question id: 17076

#Unit 12. Applied Biology

The various advantages of serum-free media could be
1. Improved reproducibility of results from different laboratories
2. Easier downstream processing of products from cultured cells
3. Biassays are free from interference due to serum proteins
4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures
Which of the statements are true?
TLS Online TPP Program

#Question id: 1246

#Unit 4. Cell Communication and Cell Signaling

An SH2-containing protein contains a mutation that changes its binding pocket such that tyrosine and phosphotyrosine bind with equal affinity. As a result, MEK activity:
TLS Online TPP Program

#Question id: 15852

#Unit 5. Developmental Biology

Which of the following protein  process doublesex pre-mRNA in a female-specific manner?
TLS Online TPP Program

#Question id: 23695

#Unit 13. Methods in Biology

Yeast artificial chromosomes contain which of the following elements?
TLS Online TPP Program

#Question id: 14761

#Unit 2. Cellular Organization

Following graph represent phases of in vitro G-actin polymerization.



Which of the following is correct?