7.8 Protein Synthesis Review

Name:

How are DNA and RNA different? Select all that apply.

• RNA is one strand, DNA is two
• RNA has bases A, C, G and U; DNA uses A, C, G and T
• DNA is one strand, RNA is two
• DNA has bases A, C, G and U; RNA uses A, C, G and T

What two processes determine the specific kind of job a cell will differentiate to do? Choose two.

• Gene regulation
• Gene expression
• Protein synthesis
• RNA synthesis

Assuming all of the mutations listed below only apply to one single base pair, which are most likely to result in a nonfunctional protein? Select all that apply

• Missense
• Nonsense
• Silent
• Insertion
• Deletion

What is the importance of the codons UAA, UAG, and UGA?

• They signal the protein to start forming
• They cause mutations in the protein
• They signal the protein to stop being formed
• They are used to signal a problem with the protei

What is a mutagen?

• an agent that causes a genetic mutation
• a mutation in a gene
• a man-made substance that is used to fix DNA

Which of the following mutations does NOT result in a nucleotide mutation?

• chromosomal mutation
• frameshift mutation
• base substitution mutation
• transversion mutation

Examine the following: original gene: CGTATCTGCTGA It has mutated into this sequence: CGTATCTGCGTGA What type(s) of mutation occurred? Select the 2 that apply.

• point
• frameshift
• insertion
• deletion

Which of the following could cause a biological mutation? Select all that apply

• heat
• radiation
• viruses
• bacteria

Transcribe the following DNA into mRNA: ATG ACT CAT GAT TAT TAG

• UAC UGA GUA CUA AUA AUC
• TAC TGA GTA CTA ATA ATC
• UAU UGA GUA CUA ACA AAC