Which of the following receptor is responsible for the recognition of Wnt ligands? 

a) Frizzled (frz)

b) Patched (Ptc)

c) retinoic acid-related orphan receptor (ROR)

d) receptor tyrosine kinase (RYK) receptor

e) large transmembrane protein (LRP)

#Question id: 1694

#Unit 4. Cell Communication and Cell Signaling

Antigen processing for presentation by MHC class II molecules involves:

#Question id: 4220

#Unit 3. Fundamental Processes

A particular triplet of bases in the template strand of DNA is 5′-AGT-3′. What would be the corresponding codon for the mRNA that is transcribed?

#Question id: 4368

#Unit 3. Fundamental Processes

Which statement is false concerning the general transcription factor, TFIID?

#Question id: 7232

#Unit 5. Developmental Biology

During early development in sea urchin following events occur.

A. localized maternal factors in egg

B. organizer specified in vegetal region (micromeres)

C. induction of endomesoderm

D. b-catenin accumulation

E. animal–vegetal axis

which of the following sequence of developmental event is correct?

#Question id: 2813

#Unit 2. Cellular Organization

DNA fingerprinting is a technique based on differences in the

a. length of introns.   

 b. number of tandem copies of a simple sequence repeat.

c. number of tandem ribosomal RNA genes.

d. size of protein coding genes.