U5/M3 Quick Review Lesson

Multiple Choice

Which of the following statements is correct about the differences between DNA and RNA?

• RNA contains the same bases as DNA, except uracil is present instead of guanine

• DNA is not present in prokaryotes, while RNA is

• DNA is present as a single-stranded molecule while RNA is double-stranded

• The sugar molecule in RNA is ribose sugar, and the sugar in DNA is deoxyribose sugar

Multiple Choice

Transcribe the following DNA sequence into RNA:

AAT TAG GGC TCG

• AAT TAG GGC TCG

• TTA ATC CCG AGC

• UUA AUC CCG AGC

• TTU UTC CCG UGC

Multiple Choice

Genetic info flows in one direction. Which best represents this flow?

• DNA-protein-RNA
• Protein-RNA-DNA
• RNA-protein-DNA
• DNA-RNA-protein

Multiple Choice

Process in which amino acids are assembled into proteins at the ribosome?

• Translation
• Transcription
• Meiosis
• Replication

Multiple Choice

What amino acid is represented by the codon UUA?

• Phenylalanine
• Tyrosine
• Leucine
• Stop codon

Multiple Choice

A type of substitution mutation in which no amino acids change is called

• Missense

• Nonsense

• Silent

• Deletion

Multiple Choice

Which mutation will cause translation to stop?

• Mutations 1 and 3 only

• Mutation 1 only

• Mutation 2 only

• Muations 1, 2, 3

Multiple Choice

If a scientist is studying a genetic mutation, which type of material will they be looking at?

• They study alleles that contain chromosomes, which are RNA.

• • They study chromosomes that contain DNA segments, which are RNA.

• They study alleles that contain genes, which are chromosomes.

• They study chromosomes that contain genes, which are DNA segments.

Multiple Choice

ATT-TGA-GCC- Original

ATT-TGA-CC - Mutated

The example above is an example of a

• Insertion- Frameshift

• substitution

• Deletion -Frameshift

• All of the above