Which of the following protein is consider as second TM protein, that associates with Frizzled in a Wnt signal– dependent manner?

a) LRP

b) Arrow

c) RYK/ROR

d) GSK 3β

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#Question id: 216

#Unit 1. Structure and Function of Biomolecules

Which atom is the reactive center on biotin?

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#Question id: 217

#Unit 1. Structure and Function of Biomolecules

Which substance would make a good ligand for biotin on the matrix of an affinity chromatography column?

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#Question id: 218

#Unit 1. Structure and Function of Biomolecules

We use the term tetrahydrofolate to designate a family of related compounds. What is the main difference between members of this family?

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#Question id: 219

#Unit 1. Structure and Function of Biomolecules

Why has dihydrofolate reductase been identified as a potential target for chemotherapy in the treatment of cancer?

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#Question id: 220

#Unit 1. Structure and Function of Biomolecules

Which structure is not a part of folate?

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#Question id: 221

#Unit 1. Structure and Function of Biomolecules

Which statement is false about 5,6,7,8-tetrahydrobiopterin?