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TLS Online TPP Program

#Question id: 1237

Arrange the following events in the proper order in which they occur during transduction of the Notch/Delta signaling pathway:

a. cleavage of Notch by TACE                                  

b. binding of Delta to Notch

c. translocation of Notch segment to the nucleus      

d. interaction of Notch with transcription factors     

e. cleavage of Notch by Presenilin 1  

#Unit 4. Cell Communication and Cell Signaling

  1. b, a, e, c, and d.

  2. c, d, e, a and b

  3. a, d, c, b and e

  4. e, a, b, c, and d

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TLS Online TPP Program

#Question id: 24628

#Unit 2. Cellular Organization

In a cluster of genes mispairing between nonallelic loci can cause unequal crossing over can gives arise
TLS Online TPP Program

#Question id: 27358

#Unit 6. System Physiology – Plant

Choose the correct statement regarding singlet and triplet state
1. singlet state is short lived, net angular momentum and spin quantum number, s is zero
2. singlet state is long lived, net angular momentum and spin quantum number, s is one
3. Triplet state is long lived , net angular momentum and spin quantum number, s is one
4. Triplet state is short lived net angular momentum and spin quantum number, s is zero
TLS Online TPP Program

#Question id: 2990

#Unit 2. Cellular Organization

Mitotic CDK complexes are maintained in an inactive state through inhibitory phosphorylation of the CDK subunit. Two highly conserved tyrosine and threonine residues in mammalian CDKs are subject to regulated phosphorylation.

Gene

  Mutant phenotypes

A. Wee1

i. the cell does not divide but continues to grow

B. CAK kinase

ii. mitotic cyclins are inactivated

C. cdc25 phosphatase

iii. premature entry into mitosis

The following table enlists genes and phenotypes observed on mutation of these genes but not correctly matched. Which one of the following combinations is correctly matched ?
TLS Online TPP Program

#Question id: 4338

#Unit 3. Fundamental Processes

Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by __.
TLS Online TPP Program

#Question id: 33364

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10-8 M. At what concentration of antigen will θ be 0.5