There are two principal modes of neurulation: 

1. Primary neurulation

2. Secondary neurulation

TLS Online TPP Program

#Id: 8682

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 7410

#Unit 5. Developmental Biology

Once wingless and engrailed expression patterns are established in adjacent cells, this pattern must be maintained to retain the parasegmental periodicity of the body plan.

TLS Online TPP Program

#Id: 9802

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 9228

#Unit 6. System Physiology – Plant

8 μM CO2 (0.038%) and 250 μM O2 (21%) at 25°C. Therefore, a specificity factor of 100 gives a Vc/Vo ratio of 3.2.

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#Id: 3289

#Unit 3. Fundamental Processes

n BER,  An AP endonuclease cleaves the phosphodiester backbone near the AP site