Academic Benchmark 5 Review

Which of the following options best depicts the flow of information when a gene directs the synthesis of an enzyme (protein)?

• DNA -> RNA -> protein

• protein -> RNA -> DNA

• RNA -> DNA -> RNA -> protein

• DNA -> tRNA -> mRNA -> protein

How many codons are needed to specify three amino acids?

• 1

• 2

• 3

• 4

mutation that involves a single nucleotide is called a(an)

• inversion.

• translocation

• point mutation

• chromosomal mutation.

What is the term used to describe the complete genetic information of a cell or organism?

• clone

• genome

• phenotype

• genotype

Adenine makes up 22% of the nucleotides in a sample of DNA from an organism. Approximately, what percentage of the nucleotides in this sample will be guanine? (Read carefully)

• 22%

• 11%

• 56%

• 28%

Which of the following enzymes catalyzes the addition of nucleotides to a new DNA strand?

• DNA Polymerase

• Helicase

• RNA Polymerase

• Protease

Which of the following enzymes unwinds the DNA molecule during replication?

• DNA Polymerase

• Helicase

• RNA Polymerase

• Protease

What type of mutation is shown in the diagram?

• point mutation

• gene mutation

• chromosomal mutation

• frameshift mutation

Which image below shows an inversion?

• A

• B

• C

• D

Which image below shows a translocation?

• A

• B

• C

• D