CBSE
Multiple Choice QuestionsThe number of RNA molecules in 60S sub- particles of 80S ribosomes are
five
four
three
two
DNA multiplication is called
translation
replication
transduction
transcription
Role of carbohydrate in protoplasm
as catalyst
for energy
as enzymes
for synthesis
DNA is specific because it has
number of nucleotides
specific nature of phosphate and sugar
arrangement of protein in DNA
specific nature of purine and pyrimidines
The RNA found in eukaryotic ribosomes are
5 S and 16 S RNA
5 S, 16 S, 18 S RNA
23S, 16 S, RNA
5 S and 28 S RNA
Which one of the following codons codes for the some information as UGC?
UGU
UGA
UAG
UGG
Stop codons are
AUG, GUG
UAA, UGA, UAG
UAC, UGG
AGU, AGA, UAC
During translation initiation in prokaryotes, a GTP molecule is needed in
association of 30S, mRNA with formyl-met-tRNA
association of 50S subunit of ribosome with initiation complex
formation of formyl-met-tRNA
binding of 30S subunit of ribosome with mRNA
Ribosomal RNA (rRNA) is synthesized in
nucleolus
nucleosome
cytoplasm
ribosome
In the genetic code dictionary, how many codons are used to code for all the 20 essential amino acids?
61
60
20
64
