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#Question id: 19637


The addition of carbonyl compound to HCN is an example of

#XL - P Chemistry
  1. Nucleophilic substitution
  2. Electrophilic addition
  3. Nucleophilic addition
  4. Electrophilic substitution

Answer:- Option(s): 3


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#Question id: 27331

#XL - T Zoology

RNA molecules that act as enzymes are called as

TLS Online TPP Program

#Question id: 27332

#XL - T Zoology

Ribozymes are also termed as

TLS Online TPP Program

#Question id: 27333

#XL - T Zoology

In evolutionary history which of the following rose 1st?

TLS Online TPP Program

#Question id: 27334

#XL - T Zoology

RNA does not contain

TLS Online TPP Program

#Question id: 27335

#XL - T Zoology

Anticodon region is an important part of the structure of

TLS Online TPP Program

#Question id: 27336

#XL - T Zoology

Match the nitrogenous bases in Group I with their corresponding chemical names in Group II.

 Group I Group II
 P. Adenine 1. 2-Amino-6-oxypurine
 Q. guanine 2. 6-Aminopurine
 R. cytosine 3. 4-aminopyridine-2(1H)-one 
 S. thymine 4. 5-methyluracil
 T. Uracil 5. 2, 4-Dioxypyrimidine

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