STUDY GUIDE: Replication, Transcription, and Translation

Olivia is learning about DNA replication in her biology class. She discovers that Okazaki fragments are present in the

• Leading strand

• Lagging strand

• Parent strand

Which molecule links fragments of DNA?

• DNA polymerase

• DNA ligase

• Primase (RNA polymerase)

• DNA replacement complexes (RNase H)

During a biology class experiment, Arjun and Lily are studying DNA replication. They learn about an enzyme that reduces the twisting tension or supercoiling produced during this process. Which enzyme are they studying?

• DNA polymerase

• Helicase

• Topoisomerase

• DNA ligase

• RNA polymerase

Evelyn is studying molecular biology and she comes across a statement. Which of the following is true?

• RNA is usually single-stranded.

• DNA is usually single-stranded.

• DNA contains uracil.

• RNA contains thymine

Mia is studying biology and she learns that RNA contains the sugar

• Ribose

• Deoxyribose

• Glucose

• Lactose

Rohan is studying a diagram of nucleic acids in his biology class. Which nucleotide in the diagram indicates that the nucleic acid is RNA?

• uracil

• cytosine

• Guanine

• Adenine

Hannah is learning about DNA replication in her biology class. Her teacher explains that according to the semi-conservative replication theory, when one DNA molecule is copied to make two DNA molecules, each new DNA contains

• 100% of the old DNA

• 50% of the old DNA

• 75% of the old DNA

• 25% of the old DNA

Maya is studying biology and she wants to understand the correct sequence of the transfer of genetic information in most organisms. Can you help her identify the correct sequence?

• RNA → protein → DNA

• DNA → RNA → protein

• RNA → DNA → protein

• Protein → DNA → RNA

In a biology class, Aria is learning about the process of transcription. What is produced during this process?

• mRNA molecules

• DNA molecules

• rRNA molecules

• Proteins

In a school play, a promoter is like a

• Binding site for DNA polymerase

• Binding site for RNA polymerase

• Start signal for replication

• Stop signal for transcription