TLS Online TPP Program

#Id: 10378

#Section 2: General Biology

Codominant Expression

TLS Online TPP Program

#Id: 10290

#Section 2: General Biology

T-Cell Development

1.Commitment

2.antigen receptor gene rearrangements

3.The selection and expansion of cells (β-selection

TLS Online TPP Program

#Id: 8953

#Section 3: Genetics, Cellular and Molecular Biology

A third way that gene duplicates arise is by retrotransposition.

Here the messenger RNA from a gene is reverse-transcribed to DNA, which is then integrated into the genome.

TLS Online TPP Program

#Id: 7751

#Section 2: General Biology

Ranks the following in increasing atomic radius

S, Mg, Al

S: 16-10 +6

Mg: 12-10 = +2

Al: 13-10 +3

So: S < AlMg

TLS Online TPP Program

#Id: 8152

#Section 3: Genetics, Cellular and Molecular Biology

After the vesicle coat is complete, the Sec23 coat subunit promotes GTP hydrolysis causes disassembly of the coat.