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Question : In eukaryotes, in order to initiate transcription
A. RNA strand must be present
B. RNA polymerase must be present
C. Core promoter sequence must be present
D. None of these
Question : In both prokaryotic and eukaryotic cells, the synthesis of protein chains is initiated with
A. Arginine
B. Methionine
C. Serina
D. Valine
Question : A DNA sequence is read by an RNA polymerase that produces complementary antiparallel RNA strand known as
A. Hexa transcript
B. secondary transcript
C. primary transcript
D. tertiary transcript
Question : The longest primary transcript is generated by
A. dystrophin gene
B. Tintin gene
C. neuromedin u
D. centromere protein A
Question : One end of tRNA matches genetic code in three-nucleotide sequences known as
A. codon
B. genetic code
C. blunt ends
D. anticodon
Question : The main function of tRNA with regards to protein synthesis is
A. Proofreading
B. identifies amino acids and transports them to ribosomes
C. Inhibits protein synthesis
D. all of the above
Question : Sigma factor is a component of
A. DNA ligase
B. DNA polymerase
C. Endonuclease
D. RNA polymerase
Question : Transcription is the transfer of genetic information from
A. DNA to RNA
B. DNA to mRNA
C. mRNA to tRNA
D. tRNA to mRNA
Question : The enzyme required for transcription is
A. RNAase
B. DNA polymerase
C. RNA polymerase
D. Restriction enzymes