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- Proteins and nucleic acids
These are exercise test questions to help build your knowledge of proteins and nucleic acids lectures. This will help expand your knowledge on the topics to maximize learning at a deeper level, build confidence and help you succeed in the course.
| 1. Which of the following is
MOST LIKELY an example of a paralog? |
| A. |
Hemoglobin A&Hemoglobin F |
| B. |
Hemoglobin S and Hemoglobin C |
| C. |
Hemoglobin A1 and Hemoglobin A2 |
| D. |
Myoglobin&Hemoglobin |
| E. |
Creatine kinase BB and Creatine kinase MM |
| 2. Which of the following is the
LEAST LIKELY basic structure of the DNA molecule? |
| A. |
Purine Bases: Adenine, Guanine |
| B. |
Pyrimidine Bases: Cytosine, Uracil |
| C. |
Pyrimidine Bases: Cytosine, Thymine |
| D. |
Sugar: Deoxyribose |
| E. |
3' to 5' phosphodiester bond between sugars |
| 3. Which of the following structures is
LEAST LIKELY a component of the 80S ribosome? |
| A. |
60S rRNA subunit |
| B. |
40S rRNA subunit |
| C. |
DNA and proteins |
| D. |
rRNA and proteins |
| E. |
Binding sites for tRNA |
Match the types of RNAs in questions number 4 and 5 with their corresponding structure on the right:
| A. |
Cloverleaf adapter with 3' adenosine end and an anticodon region. |
| B. |
Double stranded helix with hydrogen bonding between the strands. |
| C. |
Single stranded with 5' - cap end and polyadenosine tails. |
| D. |
Two subunits with secondary structure as a result of extensive base pairing loops. |
6. In the picture below:
 Which of the following statements is
MOST LIKELY the cause of these changes in the human chromosomes? |
|
| A. |
Exchanging DNA segments between two chromosomes. |
| B. |
Moving segments of DNA to another location in the same gene. |
| C. |
Normal synthesis of DNA per genetic code in the human genome of individuals. |
| D. |
Synthesis of ds-cDNA from a viral RNA template for integration into the human genome. |
| E. |
Breaking and exchanging large portions of the chromosomes due to carcinogens and chemicals. |
Source:
OpenStax, Biochemistry exercises. OpenStax CNX. Apr 06, 2016 Download for free at https://legacy.cnx.org/content/col11386/1.4
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