Download DNA/RNA Test

DNA/RNA Test
Question 1
• Refer to the illustration right. The entire molecule shown in
the diagram is called a/an
a) amino acid.
b) polysaccharide.
c) nucleotide.
Question 2
• Which of the following is not found in DNA?
a) Cytosine
b) Uracil
c) None of the above
Question 3
• The figure below shows a single strand of DNA. Choose the
first three nucleotides of the other DNA strand.
a) GGC
b) TTA
c) CCT
Question 4
• The figure below shows a single strand of DNA. Choose the
first three nucleotides of the complementary RNA strand.
a) ACG
b) AUC
c) CUA
Question 5
• During replication, the function of the enzyme DNA
polymerase is to
a) match nucleotides together.
b) split the DNA apart
Question 6
• In human cells, where does DNA replication take place?
a) nucleus
b) cytoplasm
Question 7
• Each of the following is a type of RNA except
a) carrier RNA.
b) messenger RNA.
Question 8
• In RNA molecules, adenine is complementary to
a) uracil.
b) guanine.
c) cytosine.
Question 9
• RNA differs from DNA in that RNA
a) contains a different sugar molecule.
b) contains the nitrogen base uracil.
c) All of the above
Question 10
• Transcription is the process by which genetic information
encoded in DNA is made into a/an
a) RNA molecule.
b) DNA molecule.
Question 11
• During transcription
a) RNA is produced.
b) DNA is replicated.
Question 12
• Each organism has a unique combination of characteristics
encoded in molecules of
a) protein.
b) DNA.
Question 13
• How many amino acids are coded for by the strand of mRNA
shown below? Assume the reading frame begins with the
first nucleotide.
CGAUAC
a) 2
b) 1
c) 6
Question 14
• Each nucleotide triplet in mRNA that specifies a particular
amino acid is called
a) a codon.
b) an anticodon.
Question 15
The function of rRNA is to
a) form ribosomes.
b) synthesize mRNA.