In sea urchins, the acrosome reaction is initiated by-

TLS Online TPP Program

#Question id: 32278

#Unit 2. Cellular Organization

Nuclear localization signals (NLSs) are responsible for the selectivity of the: 

TLS Online TPP Program

#Question id: 19735

#Unit 3. Fundamental Processes

In mammals, six telomeric proteins (TRF1, TRF2, Rap1, TIN2, TPP1, and POT1) comprises a complex which of the following is incorrect regrarding these telomeric protein

a) TRF1, TRF2, Rap1, binds to double stranded of DNA

b) TIN2 does not binds to DNA at all

c) POT1 binds to the GT tail extended by telomerase

d) TIN2 interacts with the two duplex telomeric DNA-binding proteins TRF1 and TRF2 as well as with TPP1

TLS Online TPP Program

#Question id: 2477

#Unit 2. Cellular Organization

Where are microtubules observed to be present in different polarities?

TLS Online TPP Program

#Question id: 1076

#Unit 4. Cell Communication and Cell Signaling

Why are viroids resistant to nucleases?

TLS Online TPP Program

#Question id: 1047

#Unit 4. Cell Communication and Cell Signaling

A virion is a(n)