Discussion
Home ‣ Biochemistry ‣ Nucleic Acids Comments
- Question
The most stabilizing force for nucleic acids is
Options- A. hydrogen bonds
- B. electrostatic bond
- C. Van der Waals
- D. conformational entropy
- Correct Answer
- Van der Waals
- 1. 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
- 2. Which pyrimidine base contains an amino group at carbon 4?
Options- A. Cytosine
- B. Thymine
- C. Uracil
- D. Adenine Discuss
- 3. Which of the following is found on RNA but not DNA?
Options- A. Uracil
- B. Deoxyribose
- C. Phosphate
- D. Adenine Discuss
- 4. A five carbon sugar lacking a hydrogen at the number 2 carbon is found in
Options- A. DNA
- B. RNA
- C. mRNA
- D. rDNA Discuss
- 5. Which of the following is a purine?
Options- A. Cytosine
- B. Adenine
- C. Thymine
- D. Uracil Discuss
- 6. The sugar in RNA is __________ , the sugar in DNA is __________
Options- A. deoxyribose, ribose
- B. ribose, deoxyribose
- C. ribose, phosphate
- D. ribose, uracil Discuss
- 7. 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 Discuss
- 8. Translation begins
Options- A. at the replication fork
- B. on the lagging strand
- C. at the start codon
- D. in nucleus Discuss
- 9. 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
- 10. 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
Nucleic Acids problems
Search Results
Correct Answer: absorption of uv light
Correct Answer: Cytosine
Correct Answer: Uracil
Correct Answer: DNA
Correct Answer: Adenine
Correct Answer: ribose, deoxyribose
Correct Answer: covalently bonded to a sugar
Correct Answer: at the start codon
Correct Answer: 5' TGGCAAT 3'
Correct Answer: second type of positive control of gene expression
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