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TLS Online TPP Program

#Question id: 33231

Which character makes concerted acid–base catalysis a common enzymatic mechanism?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. The side chains of the amino acid residues Asp, Glu, His, Cys, Tyr, and Lys have pK’s in or near the physiological pH range.
  2. Only His have pK’s in or near the physiological pH range.
  3. Only Cys & His have pK’s in or near the physiological pH range
  4. Only Tyr, Cys & His have pK’s in or near the physiological pH range
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TLS Online TPP Program

#Question id: 31284

#Unit 5. Developmental Biology

In drosophila, gurken signal is received by the follicle through a receptor protein encoded by the: 
TLS Online TPP Program

#Question id: 31285

#Unit 5. Developmental Biology

Which would not lead to a dorsalized embryo? 
TLS Online TPP Program

#Question id: 31286

#Unit 5. Developmental Biology

Mutation in which gene cause deletion of anterior head structures only?
TLS Online TPP Program

#Question id: 31287

#Unit 5. Developmental Biology

The distinction between the anterior and posterior termini depends on the presence of;
TLS Online TPP Program

#Question id: 31288

#Unit 5. Developmental Biology

Which of the following reciprocal pathways established parasegmental periodicity?
TLS Online TPP Program

#Question id: 31289

#Unit 5. Developmental Biology

In the absence of a signal from Toll protein, cactus is;