expression of biological information2

In an analysis of the DNA nucleotide composition to see which bases are

equivalent in concentration, which of the following would be TRUE?

• A = C

• A = G and C = T

• A + C = G + T

• A + T = G + C

Which of the following is the major enzyme that involved in DNA

replication?

I. Helicase

II. Reverse transcriptase

III. Topoisomerase

IV. DNA polymerase

V. Aminoacyl-tRNA synthetase

• I, III and IV

• I, III and V

• I,II, III and IV

• II, III, IV and V

Which of the following start the synthesis of a new DNA?

• RNA primer

• DNA polymerase

• Okazaki fragment

• DNA ligase

What is the role of DNA ligase in DNA replication?

• Synthesize of short RNA primer by adding RNA nucleotide

• Replaces the RNA primer by adding the DNA nucleotide

• Join Okazaki fragment at lagging strand forming phosphodiester bond

• Unwind the double stranded DNA to become single stranded DNA

In DNA

replication, new nucleotides are added to a growing DNA by…………………

• DNA helicase

• DNA polymerase III

• RNA polymerase

• RNA primer

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Tags

NGSS.HS-LS1-1

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

Transcription occurs in the....

• Ribosomes
• Nucleus
• Mitochondria
• Golgi bodies

Which phase of which process does this picture show?

• Transcription
• Translation
• Replication

Tags

NGSS.HS-LS1-1

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands