KDEL receptor, located mainly in the cis-Golgi network and in both COPII and COPI vesicles, binds proteins bearing the KDEL sorting signal and returns them to the ER

TLS Online TPP Program

#Id: 3710

#Unit 2. Cellular Organization

if an individual has only one a gene, the excess b chains form the unusual tetramer b4, which causes hemoglobin H (HbH) disease. The complete absence of a genes results in hydrops fetalis, which is fatal at or before birth.

TLS Online TPP Program

#Id: 3711

#Unit 2. Cellular Organization

Hb anti-Lepore, Hb Kenya result from unequal crossing over between linked genes

TLS Online TPP Program

#Id: 3712

#Unit 2. Cellular Organization

Ribosomal RNA is encoded by a large number of identical genes that are tandemly repeated to form one or more clusters called as rDNA cluster

TLS Online TPP Program

#Id: 3713

#Unit 2. Cellular Organization

Part of genome which changes expression of genome called as mutable loci or sometimes GENES

TLS Online TPP Program

#Id: 3714

#Unit 2. Cellular Organization

If entire genome is encoding than mathematically human should have 106 genes but humans have only 30,000 to 50,000 genes this is also a paradoxical feature of genome 

TLS Online TPP Program

#Id: 3715

#Unit 2. Cellular Organization

The rate of loss of single-stranded (ss) DNA during renaturation is a second-order rate process