Which of the following is incorrect for protein synthesis
(1) Ribosomes are the cellular for protein synthesis
(2) 23s rRNA act as catalyst for peptide bond formation in all organisms
(3) UTR are required for efficient translation process
(4) The ribosome proceeds to the elongation phase of protein synthesis
Untranslated regions (UTRs) are present
(1) before and after the stop codon
(2) after the start codon and before the stop codon
(3) before and after the start codon
(4) before the start codon and after the stop codon
Polypeptides are
(1) dictated by DNA
(2)represented by mRNA
(3)Expresssion of t-RNA
(4)Both 1 and 2
Protein synthesis takes place in
(1) cytoplasm
(2) nucleoplasm
(3) Both 1 and 2
(4) none of these
During density gradient centrifugation, major peaks are formed by
1. bulk DNA
2. repetitive DNA
3. Genomic DNA
4. Both 1 and 3
During density gradient centrifugation, minor peaks represent
(1) bulk DNA
(2)repetitive DNA
(3)Genomic DNA
(4)Satellite DNA
Satellite DNA classification is based on
(1)Base composition
(2)length of segment
(3)no of repetitive units
(4)All of the above
Satellite DNA are
(1) Protein coding
(2)M-RNA coding
(3)non- protein coding
(4)satellite protein coding
What forms the basis of DNA fingerprinting
(1)Genomic DNA
(2)Bulk DNA
(3)satellite DNA
(4)Both 1 and 3
Satellite DNA shows
(1)high degree of polymorphism
(2)low degree of polymorphism
(3)no polymorphism
(4)None of these