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TLS Online TPP Program

#Question id: 1246

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:

#Unit 4. Cell Communication and Cell Signaling

  1. decreases due to changes in Raf activation.

  2. decreases due to allosteric inhibition of SH2-domain binding.

  3. increases with ligand binding-induced dimerization.

  4. does not change with receptor dimerization and transautophosphorylation.

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TLS Online TPP Program

#Question id: 23698

#Unit 13. Methods in Biology

A student wishes to clone a sequence of DNA of ~200 kb. Which vector would be appropriate?
TLS Online TPP Program

#Question id: 5350

#Unit 8. Inheritance Biology

Which of the following most probable mode of genetic disorder?
TLS Online TPP Program

#Question id: 21126

#Unit 12. Applied Biology

The magnetic biosensors are type of ________________ based sensors?
TLS Online TPP Program

#Question id: 1538

#Unit 4. Cell Communication and Cell Signaling

Many aspects of the biology of stem cells, including maintenance of pluripotency, self-renewal, and differentiation, are controlled by the phenomenon of RNA interference involving a variety of small molecules of RNA.

Match the following miRNA (Column I) with their target gene (Column II).

Column I

Column II

a. Let-7 miRNA

i. Bcl-2

b. miR-16

ii. PTEN phosphatase

c. miR-125a and miR-125b

iii. Myc

d. miR-21

iv. LIN28

TLS Online TPP Program

#Question id: 6951

#Unit 5. Developmental Biology

In chick development, the cell movement during gastrulation is called: