Exploring DNA Structure and Replication

What is the sugar found in RNA?

• Ribose

• Deoxyribose

• Glucose

• Fructose

Which base is unique to RNA?

• Uracil

• Adenine

• Thymine

• Cytosine

What is the structure of DNA?

• Single helix

• Quadruple helix

• Triple helix

• Double helix

Which of the following is not a base in DNA?

• Uracil

• Guanine

• Cytosine

• Adenine

During DNA replication, what is the directionality of the new strand synthesis?

• 3' to 5'

• 5' to 5'

• 5' to 3'

• 3' to 3'

What enzyme is responsible for adding nucleotides to the growing DNA strand during replication?

• RNA polymerase

• Helicase

• DNA polymerase

• Ligase

What process converts DNA into mRNA?

• Translation

• Transcription

• Replication

• Mitosis

Which molecule carries amino acids to the ribosome for protein synthesis?

• DNA

• tRNA

• rRNA

• mRNA

What is an example of an extended phenotype?

• Beaver's teeth

• Beaver's fur color

• Beaver's lodge

• Beaver's tail

What is the role of genetic engineering in insulin production?

• Enhancing the pancreas to produce more insulin

• Inserting human insulin genes into bacteria

• Modifying human genes directly

• Extracting insulin from animals