Rough ER, which is associated with ribosomes, functions in the synthesis and processing of secreted and membrane proteins

Smooth ER, which lacks ribosomes, functions in lipid synthesis.

TLS Online TPP Program

#Id: 8188

#Section 3: Genetics, Cellular and Molecular Biology

Plasmalogens

• most abundant class of PL in myelin sheaths

• Analogous to PC

• Contain an unusual fatty alcohol that is attached through an ether linkage.

TLS Online TPP Program

#Id: 8961

#Section 3: Genetics, Cellular and Molecular Biology

No matter how it is born, a new gene starts its life as a single copy in the population.

As with any new mutation, by far the most likely outcome is that it will be lost by random drift or selection over the next few generations

TLS Online TPP Program

#Id: 10295

#Section 2: General Biology

Allelic exclusion - Once allele’s functional protein is generated, rearrangement at the other allele is shut down

TLS Online TPP Program

#Id: 8042

#Section 2: General Biology

A system to unambiguously describe the configurations of molecules with more than one asymmetric center was devised in 1956 by Robert Cahn, Christopher Ingold, and Vladimir Prelog. In the Cahn–Ingold– Prelog or RS system

TLS Online TPP Program

#Id: 9185

#Section 3: Genetics, Cellular and Molecular Biology

Proportional contribution of genotypes to population