The first 4 amide hydrogens and the last 4 carbonyl oxygens cannot participate in helix H bonds.

TLS Online TPP Program

#Id: 3689

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 6991

#Unit 5. Developmental Biology

Multipotency

A stem cell can differentiate into a number of cell types but only those a closely related family of cells.

Eg- Hematopoietic stem cells

TLS Online TPP Program

#Id: 9235

#Unit 6. System Physiology – Plant

The C4 pathway, involving mesophyll cells and bundle-sheath cells, predominates in plants of tropical origin. 

TLS Online TPP Program

#Id: 7676

#Unit 1. Molecules and their Interaction Relevant to Biology

A dihedral angle is determined by 4 atoms. These 4 determine Phi (φ). Here, the angle is 0º.

TLS Online TPP Program

#Id: 8777

#Unit 1. Molecules and their Interaction Relevant to Biology

A.

1 - native

3 - MG

2, 4 - unfolded

B.

1 - native

3, 4 - MG

2 - unfolded