HLA-G

These are present on fetal cells at the maternal-fetal interface and are credited with inhibiting rejection by maternal CD8+ T cells by protecting the fetus from identification as foreign.

TLS Online TPP Program

#Id: 7748

#Section 2: General Biology

Zeff=Z –S

Chlorine would have a Z value of 17 (the atomic number of Chlorine). Continuing to use Chlorine as an example, the 10 inner electrons (S) would screen out the positive charge of ten protons. Therefore there would be and effective nuclear charge of 17-10 or +7.

TLS Online TPP Program

#Id: 9149

#Section 3: Genetics, Cellular and Molecular Biology

Nonrandom Mating - Nonrandom mating are two type,

1. Positive assortative mating - Like individuals to mate.

2. Negative assortative mating - Unlike individuals to mate

TLS Online TPP Program

#Id: 8201

#Section 3: Genetics, Cellular and Molecular Biology

Lysosome an interior pH of about 4.5–5.0

TLS Online TPP Program

#Id: 8638

#Section 3: Genetics, Cellular and Molecular Biology

Once sufficient Cln3 is synthesized from its mRNA, Cln3-CDK complexes phosphorylate and inactivate the transcriptional repressor Whi5.

TLS Online TPP Program

#Id: 8036

#Section 2: General 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