13981.Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction ?
Explanation:
13982.Which one of the following nitro-compounds does not react with nitrous acid
Explanation:
1° nitro compound, 2° nitro compound react with HNO2 acid but 3° nitro compound does not react with nitrous acid.
13983.The central dogma of molecular genetics states that the genetic information flows from
DNA → RNA → Carbohydrates
Amino acids → Proteins → DNA
DNA → Carbohydrates → Proteins
DNA → RNA → Proteins
13984.The correct corresponding order of names of four aldoses with configuration given below
respectively, is
respectively, is
D-erythrose, D-threose, L-erythrose, L-threose
L-erythrose, L-threose, L-erythrose, D-threose
D-threose, D-erythrose, L-threose, L-erythrose
L-erythrose, L-threose, D-erythrose, D-threose
Explanation:
