1. DNA/RNA Test

2. Question 1
Refer to the illustration right. The entire molecule shown in the diagram is called a/an
amino acid.
polysaccharide.
nucleotide.

3. Question 2 Which of the following is not found in DNA? Cytosine Uracil
None of the above

4. Question 3
The figure  below shows a single strand of DNA. Choose the first three nucleotides of the other DNA strand.
GGC
TTA
CCT

5. Question 4
The figure  below shows a single strand of DNA. Choose the first three nucleotides of the complementary RNA strand.
ACG
AUC
CUA

6. Question 5
During replication, the function of the enzyme DNA polymerase is to
match nucleotides together.
split the DNA apart

7. Question 6 In human cells, where does DNA replication take place?
nucleus
cytoplasm

8. Question 7 Each of the following is a type of RNA except carrier RNA.
messenger RNA.

9. Question 8 In RNA molecules, adenine is complementary to uracil.
guanine.
cytosine.

10. Question 9 RNA differs from DNA in that RNA
contains a different sugar molecule.
contains the nitrogen base uracil.
All of the above

11. Question 10
Transcription is the process by which genetic information encoded in DNA is made into a/an
RNA molecule.
DNA molecule.

12. Question 11
During transcription
RNA is produced.
DNA is replicated.

13. Question 12
Each organism has a unique combination of characteristics encoded in molecules of
protein.
DNA.

14. 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 2 1 6

15. Question 14
Each nucleotide triplet in mRNA that specifies a particular amino acid is called
a codon.
an anticodon.

16. Question 15 The function of rRNA is to form ribosomes.
synthesize mRNA.