IB Biology Topic 2.7

DP SL Biology - 2.7

Multiple Choice

Which of the following sequences of processes correctly reflects the central dogma?

• protein synthesis, transcription, translation

• protein synthesis, translation, transcription

• transcription, translation, protein synthesis

• translation, transcription, protein synthesis

Multiple Choice

Why is DNA replication and example of semi-conservative replication?

• Each new stand of DNA has all new material.

• The DNA happens to just duplicate each base pair.

• Part of the original DNA is used to create each of the new DNA strands.

• The phosphate groups are no longer attached to the 5 carbon sugar or the leg bone.

Multiple Choice

What base pairs with cytosine?

• guanine

• adenine

• thymine

• magazine

Multiple Choice

What base pairs with guanine?

• cytosine

• guanine

• thymine

• sugar

Multiple Choice

What base pairs with adenine?

• phosphate

• guanine

• cytosine

• thymine

Multiple Choice

What base pairs with adenine?

• phosphate

• guanine

• cytosine

• thymine

Multiple Choice

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

• Topoisomerase

• DNA Helicase

• DNA Polymerase

• Exonuclease

Multiple Choice

Which enzyme is responsible for adding nucleotides to the free three prime end

• Helicase

• Topoisomerase

• DNA Polymersase 3

• DNA Polymersase 1

Multiple Choice

What is the purpose of PCR?

• To produce millions of copies of DNA.

• To produce millions of copies of a specific region of DNA

• To add nucleotides to a DNA sequence

• To watch polymerase work.

Multiple Choice

What is amplified using the polymerase chain reaction (PCR)?

• Large amounts of RNA

• Small amounts of DNA

• Small amounts of protein

• Large amounts of polymers

Multiple Choice

How many codons: AAU GCG AUG

• 9

• 1

• 3

• 15