DNA & Protein Synthesis Review Quiz

A strand of mRNA containing the repeating sequence AAGAAGAAGAAG could code for which of the following amino acid sequences?

• lys-arg-glu-lys

• lys-arg-lys-arg

• lys-lys-lys-lys

Asp - Trp - Ile - Ile

Which of the following base sequences would code for the amino acid sequence shown above?

• GAUAUUAUCAUA

• AUUAUCGACUGG

• GCUGAUAUUAUA

• GAUUGGAUUAUA

One strand in a molecule of DNA contains the sequence below.

ATTGCGTA

Which sequence is the complementary DNA strand?

• UAACGCAU

• GCCTATCG

• TAACGCAT

• ATTGCGTA

ACAGTGC

A DNA base sequence is shown above. How would the base sequence be coded on mRNA?

• CACUGUA

• GUGACAU

• TGTCACG

• UGUCACG

3’ATGCTTACA5’

Which of the following nucleotide sequences complements the section of DNA modeled above?

• 3’TAGGAATTT5’

• 5’TACGAATCT3’

• 3’ATGCTTACA5’

• 5’TACGAATGT3’

The diagram represents which process?

• fragmentation

• replication

• transcription

• translation

A sample of DNA contains 20% Adenine. How much Cytosine is in the sample?

• DNA doesn't contain Cytosine

• 30%

• 10%

• 20%

In what part of DNA is genetic information located?

• nucleotide sequence

• enzymes

• hydrogen bonds

• sugar molecules

A scientist puts nucleotide chains of UUUUUU in a test tube under conditions allowing protein synthesis. Soon the test tube is full of polypeptide chains composed of only the amino acid phenylalanine. What does this experiment indicate?

• Most proteins contain only one type of amino acid

• protein synthesis malfunctions in test tubes

• the amino acid phenylalanine is composed of uracil

• UUU codes for phenylalanine

What is produced during transcription?

• DNA polymerase

• proteins

• DNA

• mRNA