Mutations occur at the same rate in both exons and introns, but exon mutations are eliminated more effectively by selection.

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: 6576

#Unit 7. System Physiology – Animal

SRY is a DNA-binding regulatory Protein, bends the DNA & acts as a transcription factor that initiates transcription of a cascade of genes necessary for testicular differentiation

TLS Online TPP Program

#Id: 6139

#Unit 3. Fundamental Processes

In global genome repair (GG-NER), the XPC protein detects the damage and initiates the repair pathway. XPC can recognize damage anywhere in the genome. In mammals, XPC is a component of a lesion-sensing complex that also includes the proteins HR23B and centrin2.

TLS Online TPP Program

#Id: 9312

#Unit 4. Cell Communication and Cell Signaling

Depolarized state of a resting rod cell is due to the presence of a large number of open nonselective ion channels that admit both Na+ & Ca²+ into the cell

TLS Online TPP Program

#Id: 9052

#Unit 4. Cell Communication and Cell Signaling