Two types of Stem Cell division:

Symmetric cell division

Asymmetric cell division

TLS Online TPP Program

#Id: 8033

#Unit 1. Molecules and their Interaction Relevant to Biology

Glycine & Proline are relatively polar considering negative hydropathy index (-0.4 & -1.6) comparing to other nonpolar amino acids.

TLS Online TPP Program

#Id: 8034

#Unit 1. Molecules and their Interaction Relevant to Biology

Nonpolar amino acids have three ionisations zones

1. 1--------pK1 – charge +1

2. pK1---------pK2 charge 0

3. pK2---------14 charge -1

TLS Online TPP Program

#Id: 8035

#Unit 1. Molecules and their Interaction Relevant to Biology

Negatively charged amino acids have four ionisations zones

1. 1--------pK1 – charge +1

2. pK1---------pKr charge 0

3. pKr---------pK2 charge -1

4. pK2---------14 charge -2

TLS Online TPP Program

#Id: 8036

#Unit 1. Molecules and their Interaction Relevant to Biology

Lys & Arg have four ionisations zones

1. 1--------pK1 – charge +2

2. pK1---------pK2 charge +1

3. pK2---------pKr charge 0

4. pKr---------14 charge -1

TLS Online TPP Program

#Id: 8037

#Unit 1. Molecules and their Interaction Relevant to Biology

Lys & Arg have ionisation series

1------pK1-----pK2--------pKr------14

TLS Online TPP Program

#Id: 8038

#Unit 1. Molecules and their Interaction Relevant to Biology

His ionisation series

1------pK1-----pKr--------pKr------14