Purines and pyrimidines exist in two tautomeric forms (lactam and lactim); nucleosides exist in two conformations (syn and anti). The most common forms found in cells are

TLS Online TPP Program

#Question id: 6584

#General Aptitude

find the missing letter

A    ?   Q    E

C    M   S    C

E    K    U   A

G    I    W   Y

TLS Online TPP Program

#Question id: 6585

#General Aptitude

Find the missing letter              

A	B	C	D
F	I	L	O
K	P	U	Z
P	W	D	?

TLS Online TPP Program

#Question id: 6588

#General Aptitude

26	18	10
11	9	7
5	4	1
10	5	?