Download Concept 2: Sample

TCSS Biology Sample Assessment Items
Unit 2 – Concept 2 DNA, RNA, & Protein Synthesis
SB2A. Distinguish between DNA and RNA.
SB2B. Explain the role of DNA in storing and transmitting cellular information.
A strand of DNA has the following bases: CACGGCC
1. If the adenine base was deleted, which amino acids would be coded for?
a. valine, proline
b. glycine, alanine
c. proline, arginine
d. glycine, arginine
2. Which statement correctly describes the difference between DNA and RNA?
a. RNA contains the base thymine, while DNA contains the base uracil.
b. DNA contains the sugar ribose, while RNA has the sugar deoxyribose.
c. RNA is shaped like a single strand, while DNA is shaped like a double-helix.
d. RNA is always found inside the nucleus of a cell, while DNA is often found
outside of the nucleus of a cell.
A diagram of a cellular process is shown below.
3. Which of the following identifies the process shown at point Z?
a.
b.
c.
d.
Translation
Translocation
Replication
Transcription
4. Which of the following processes produces the nucleotide sequence UUA from the
sequence AAT?
a.
b.
c.
d.
meiosis
replication
respiration
transcription
5. Outline the function of each of the following during protein synthesis:
a. i) DNA ii) mRNA ii) tRNA
b. List two factors that could cause changes in the type of protein formed.
c. Explain why each factor causes a change in the protein formed.
6. Which statement correctly describes the difference between DNA and RNA?
a. RNA contains the base thymine, while DNA contains the base uracil.
b. DNA contains the sugar ribose, while RNA has the sugar deoxyribose.
c. RNA is shaped like a single-helix, while DNA is shaped like a double-helix.
d. RNA is always found inside the nucleus of a cell, while DNA is often found
outside of the nucleus of a cell.
7.
Which of these will complete the mRNA strand matched to DNA?
a. CAG
c. GUC
b. AUG
d. UAC