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TLS Online TPP Program

#Id: 9916

Viral Infections

Virus enters a cell via a cell-surface receptor for which it has affinity and preempts cell biosynthetic machinery to replicate all components of itself, including its genome.

This genome replication step is often error prone, generating numerous mutations.

#XL - T Zoology #Infectious Diseases #Part B Pointers
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TLS Online TPP Program

#Id: 8045

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 8044

#XL - Q Biochemistry

The order of priority of some common functional groups in amino acids is
TLS Online TPP Program

#Id: 8043

#XL - Q Biochemistry

RS Configuration 
Atoms of higher atomic number rank above those of lower atomic number (e.g., —OH ranks above —CH3). If the first substituent atoms are identical, the priority is established by the next atom outward from the chiral center (e.g., —CH2OH takes precedence over —CH3).
TLS Online TPP Program

#Id: 8042

#XL - Q Biochemistry

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: 8041

#XL - Q Biochemistry

There are two type representation of amino acid structure

1. By Fischer’s convention L and D

2. By absolute configuration RS System
TLS Online TPP Program

#Id: 8040

#XL - Q Biochemistry