TC3 Bio 104- DNA Replication & Protein Synthesis (ch 16 & 17)

Adenine matches with

• Thymine

• Guanine

• Cytosine

• Uracil and Thymine

Built the first model of DNA and shared the 1962 Nobel Prize for discovery of its structure

• Watson, Crick, and Wilkins

• Watson, Crick, and Rosalind Franklin

• Mendel and Darwin

• Hershey and Chase

• Griffith and Avery

Purines

• Thymine and Adenine

• Cytosine, Uracil and Thymine

• Adenine and Guanine

• Cytosine and Guanine

The hydroxyl (-OH) end of DNA

• 5' end

• 3' end

Direction of synthesis of the new strand of DNA

• 5' --> 3'

• 3' --> 5'

Which enzyme untwists and separates the DNA strands during DNA replication?

• helicase

• single strand binding protein

• primase

• DNA polymerase

• Topoisomerase

Which enzyme synthesizes an RNA primer during DNA replication?

• helicase

• single strand binding protein

• primase

• DNA polymerase

• Topoisomerase

Which enzyme holds the DNA strands apart during DNA replication?

• helicase

• single strand binding protein

• primase

• DNA polymerase

• Topoisomerase

Which enzyme relieves strain caused by unwinding during DNA replication?

• helicase

• single strand binding protein

• primase

• DNA polymerase

• Topoisomerase

Which enzyme adds DNA nucleotides to the new strand during DNA replication?

• Primase

• DNA polymerase

• RNA polymerase

• DNA ligase

• Helicase