DNA, Transcription and Translation

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

During replication, what enzyme adds complimentary bases?

• helicase
• synthesase
• ligase
• polymerase

The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative

Which letter in the picture below depicts the replication fork in DNA replication?

• A

• C

• B

• None of the above

How does RNA differ from DNA?

• RNA contains uracil and deoxyribose
• RNA contains ribose and thymine
• RNA contains uracil and ribose
• RNA contains adenine and ribose

How would the DNA sequence GCTATA be transcribed to mRNA?

• GCUAUA
• CGATAT
• CGAUAU
• GCUTUT

The process by which the genetic code of DNA is copied into a strand of RNA is called

• translation
• transcription
• transformation
• replication

What is the correct order to make a protein?

• Protein, DNA, RNA

• RNA, DNA, Protein

• DNA, RNA, Protein

• Protein, RNA, DNA

Tags

NGSS.HS-LS1-1

RNA has what base that is instead of thymine?

• guanine

• adenine

• thymine

• uracil