SD8 3.1 Review (3)

What is the first step of DNA replication?

• DNA Ligase connects the Okazaki fragments.

• Helicase unzips the DNA double helix.

• Primase gets the process started.

• SSB Proteins keep the two strands apart.

Which enzyme is responsible for adding new matching bases during DNA replication?

• Helicase

• DNA Ligase

• DNA Polymerase

• Primase

What is the role of SSB Proteins in DNA replication?

• They add new bases to the DNA strand.

• They keep the two DNA strands apart.

• They connect Okazaki fragments.

• They unzip the DNA double helix.

What is the sugar found in DNA?

• Ribose

• Glucose

• Deoxyribose

• Fructose

What is the extra base found in RNA called?

• Thymine

• Cytosine

• Guanine

• Uracil

During transcription, what is produced by RNA Polymerase?

• DNA

• mRNA

• tRNA

• rRNA

Where does translation occur in the cell?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

What type of mutation involves an extra base being added to the sequence?

• Deletion Mutation

• Substitution Mutation

• Insertion Mutation

• Frame Shift Mutation

Tags

NGSS.MS-LS3-1

What is the sugar found in RNA?

• Deoxyribose

• Ribose

• Glucose

• Fructose

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

• DNA is single-stranded, RNA is double-stranded.

• DNA is double-stranded, RNA is single-stranded.

• DNA contains ribose, RNA contains deoxyribose.

• DNA contains uracil, RNA contains thymine.