DNA RNA DNA Replication

The correct spelling of DNA is....

• deoxiribonucleic acid

• deoxyribosenucleic acid

• deoxyribonucleic acid

• deoxyribonucliec acid

Which of the following statements is true?

• DNA is single-stranded

• RNA is single-stranded

• DNA contains uracil

• RNA contains deoxyribose

What is the difference between DNA and RNA in terms of bases?

• RNA contains uracil in place of thymine

• RNA contains uracil in place of adenine

• RNA contains uracil in place of guanine

• RNA contains uracil in place of  cytosine

RNA contains the sugar

• ribose

• deoxyribose

• glucose

• lactose

What is the purpose of DNA replication?

• Cut the DNA 

• Make more cells

• Apoptosis

• Duplicate the DNA

What do we call DNA replication since new DNA has 1 parent strand and 1 new strand?

• Conservative 

• Semiconservative 

• Dispersive

Why is it crucial that living things are able to replicate their DNA?

• Each cell must have its own DNA

• Less copies of DNA are needed when a new cell is created

• A cell needs multiple copies of DNA

• Only muscle cells need DNA 

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-1

Which enzyme is responsible for adding nucleotides?

• Topoisomerase

• DNA Polymerase

• Ligase

• Primase

This enzyme synthesizes short RNA sequences to guide DNA Polymerase

• Primers

• DNA Primase

• DNA Polymerase

• Topoisomerase

This enzyme is capable of breaking Hydrogen bonds found between the bases of DNA

• Topoisomerase

• DNA Helicase

• DNA Polymerase

• Exonuclease