A covalent bond is likely to be polar when ________.

TLS Online TPP Program

#Question id: 28914

#Unit 4. Cell Communication and Cell Signaling

Wnt/calcium pathway leads to increased Ca²⁺ levels activates Ca²⁺-dependent signaling molecules such as; 

a) Protein kinase B

b) Protein kinase C

c) Ca²⁺/calmodulin-dependent protein kinase (CamKII),

d) Calcineurin phosphatase

TLS Online TPP Program

#Question id: 28915

#Unit 4. Cell Communication and Cell Signaling

Calcineurin phosphatase is responsible for dephosphorylation which dephosphorylates and activates the transcription factor, such as___

TLS Online TPP Program

#Question id: 28916

#Unit 4. Cell Communication and Cell Signaling

Which of the following hedgehog (Hh) proteins promotes spermatogenesis?

TLS Online TPP Program

#Question id: 28917

#Unit 4. Cell Communication and Cell Signaling

Find out the correct match of Vertebrates hedgehog gene with their characteristics;

TLS Online TPP Program

#Question id: 28918

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is correct about Sonic hedgehog?

TLS Online TPP Program

#Question id: 28919

#Unit 4. Cell Communication and Cell Signaling

Given some statements about Hedgehog processing and secretion;

a) autoproteolytic activity that cleaves off the C-terminus to reveal a signal sequence that marks the protein for secretion 

b) autoproteolytic activity that cleaves off the N-terminus to reveal a signal sequence that marks the protein for secretion 

c) Secretion requires the addition of cholesterol and palmitic acid

d) Secretion requires the  modification of Hh by Glycosylation

Which of the following is correct prediction about processing and secretion of Hh?