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TLS Online TPP Program

#Question id: 33394

For Helix-turn-Helix, which of the following is correct

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Helices are stabilized by polar contacts between the helices.
  2. Mostly involved in protein protein binding.
  3. Generally, consists of 20 amino acids.
  4. Second helix is involved in DNA binding, enters in minor groove of the target site.
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TLS Online TPP Program

#Question id: 28283

#Unit 5. Developmental Biology

Following statements are related to fast block to polyspermy, which statement is incorrect?
TLS Online TPP Program

#Question id: 28800

#Unit 2. Cellular Organization

Which type of signal is require to the activation of WASp, these signal input is called coincidence detection?
a) surface a protein ActA
b) regulatory phospholipid PIP2
c) small GTP-binding protein Rac1
d) small GTP-binding protein Cdc42
TLS Online TPP Program

#Question id: 13223

#Unit 6. System Physiology – Plant

At the endodermis, which pathway is blocked by the Casparian strip
TLS Online TPP Program

#Question id: 12190

#Unit 2. Cellular Organization

CDK activity is modulated by the following proteins:
(a) cyclin, (b) CAK, (c) Wee1,  (d) p21. Following protein act as:

I. Inhibitory kinase
II. CKI Family of proteins
III. Activatory kinase
IV. Regulatory subunit
Which of the following is correct?
TLS Online TPP Program

#Question id: 11441

#Unit 1. Molecules and their Interaction Relevant to Biology

Tyrosine contains a phenolic R-group and has pK1, pk2, pkR values of 2.20, 9.11, and 10.07 At which pH will all the tyrosine be in their fully protonated form?