when defective keratins are expressed in the basal cell layer of the epidermis, they produce a disorder called epidermolysis bullosa simplex

TLS Online TPP Program

#Id: 6775

#Unit 3. Fundamental Processes

mRNP export from the nucleus into the cytoplasm is controlled by the phosphorylation and dephosphorylation of mRNP adapter proteins, REF, the NXF1/NXT1 mRNP exporter to mRNPs. 

TLS Online TPP Program

#Id: 10283

#Unit 6. System Physiology – Plant

Increased [Ca2+]cyt activates plasma membrane anion efflux channels, and these two effects combine to depolarize the membrane. Membrane depolarization closes voltage‐sensitive K+ in channels but opens K+ out channels. 

TLS Online TPP Program

#Id: 8963

#Unit 11. Evolution and Behavior

If the duplicate is redundant and does not provide a fitness benefit, it will be lost by deletion or the accumulation of loss of-function mutations.

A second fate is that a duplicate can simply retain its original function.

TLS Online TPP Program

#Id: 2798

#Unit 13. Methods in Biology

The precise relationship between the three factors and plate height is expressed by the van Deemter equation which is

where ux is the flow rate of the eluent and

A, B and C are constants for a particular column and stationary phase relating to multiple paths, longitudinal diffusion and equilibration time respectively

TLS Online TPP Program

#Id: 3692

#Unit 2. Cellular Organization