Discussion
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- Question
Nucleoside is a pyrimidine or purine base
Options- A. covalently bonded to a sugar
- B. ionically bonded to a sugar
- C. hydrogen bonded to a sugar
- D. none of the above
- Correct Answer
- covalently bonded to a sugar
- 1. The sugar in RNA is __________ , the sugar in DNA is __________
Options- A. deoxyribose, ribose
- B. ribose, deoxyribose
- C. ribose, phosphate
- D. ribose, uracil Discuss
- 2. The most stabilizing force for nucleic acids is
Options- A. hydrogen bonds
- B. electrostatic bond
- C. Van der Waals
- D. conformational entropy Discuss
- 3. Nucleic acids can be analyzed experimentally by their
Options- A. molecular weight
- B. absorption of visible light
- C. absorption of uv light
- D. none of these Discuss
- 4. Which pyrimidine base contains an amino group at carbon 4?
Options- A. Cytosine
- B. Thymine
- C. Uracil
- D. Adenine Discuss
- 5. Which of the following is found on RNA but not DNA?
Options- A. Uracil
- B. Deoxyribose
- C. Phosphate
- D. Adenine Discuss
- 6. Translation begins
Options- A. at the replication fork
- B. on the lagging strand
- C. at the start codon
- D. in nucleus Discuss
- 7. The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?
Options- A. 5' TAACGGT 3'
- B. 5' TGGCAAT 3'
- C. 5' ATTGCCA 3'
- D. 5' UAAGCCU3' Discuss
- 8. Bacterial protein called catabolic activator protein (CAP) is an example of
Options- A. negative control of gene expression
- B. positive control of gene expression
- C. second type of positive control of gene expression
- D. none of the above Discuss
- 9. The genetic code is degenerated. Which of the following codons represents the principle of degeneracy?
Options- A. UAA and UAC
- B. AUG and AUA
- C. CAU and CAC
- D. UUA and UUC Discuss
- 10. In prokaryotes, AUG encodes
Options- A. methionine
- B. N-formyl methionine
- C. a stop codon
- D. alanine Discuss
Nucleic Acids problems
Search Results
Correct Answer: ribose, deoxyribose
Correct Answer: Van der Waals
Correct Answer: absorption of uv light
Correct Answer: Cytosine
Correct Answer: Uracil
Correct Answer: at the start codon
Correct Answer: 5' TGGCAAT 3'
Correct Answer: second type of positive control of gene expression
Correct Answer: CAU and CAC
Correct Answer: N-formyl methionine
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