Hardy-Weinberg equilibrium, the frequencies of the two alleles A1 and A2 is 0.4 and 0.6. When you consider A2 is dominant allele of genetic disorder. The frequency of defected individuals, in population size 1000 is

TLS Online TPP Program

#Question id: 28698

#Unit 2. Cellular Organization

the oligosaccharide precursor is assembled on a membrane- attached anchor called dolichol phosphate, which is___

TLS Online TPP Program

#Question id: 28699

#Unit 2. Cellular Organization

First sugar residue is attached to dolichol by ___

TLS Online TPP Program

#Question id: 28700

#Unit 2. Cellular Organization

Biosynthesis of all N-linked oligosaccharides begins in the rough ER with a preformed branched oligosaccharide precursor Glc3Man9(GlcNAc)2, Which of the following statements is incorrect about these biosynthesis?

a) the oligosaccharide precursor is assembled on a membrane- attached anchor called dolichol phosphate

b) First sugar residue is attached to dolichol by a glycosidic bonds & the other

sugars are added by high-energy pyrophosphate

c) Two N- acetylglucosamine (GlcNAc) and five mannose residues are added one at a time to a dolichol phosphate on the lumen

d) Four mannose and three glucose  residue are added one to a dolichol phosphate on the luminal side

TLS Online TPP Program

#Question id: 28701

#Unit 2. Cellular Organization

Which of the following inhibitors inhibits the synthesis of all N-linked oligosaccharides in cells?

TLS Online TPP Program

#Question id: 28702

#Unit 2. Cellular Organization

Oligosaccharyl transferase enzyme involves to transferred precursor oligosaccharide 

TLS Online TPP Program

#Question id: 28703

#Unit 2. Cellular Organization

Oligosaccharyl transferase enzyme involves to transferred precursor oligosaccharide from a dolichol lipid anchor to the tripeptide sequences, which of the following tripeptide sequences are substrates for oligosaccharyl transferase ?