Discussion
Home ‣ Microbiology ‣ Nucleic Acid Structure Comments
- Question
In which of the following uracil is present?
Options- A. RNA
- B. DNA
- C. Both (a) and (b)
- D. None of these
- Correct Answer
- RNA
- 1. The chromosome of almost all bacteria is in the shape of
Options- A. an open circle
- B. helix
- C. a closed circle
- D. a linear chromosome Discuss
- 2. Stem and loop structures are
Options- A. proteins that help partially denatured enzymes to recover their native configuration
- B. structures in DNA caused by inverted repeats
- C. structures at the ends of linear eukaryotic DNA molecules
- D. the bonds between adjacent DNA nucleotides in the same strand Discuss
- 3. According to base pairing rules the bases of one strand match-up with the bases of the second strand of DNA and the two strands are said to be
Options- A. complementary
- B. oppositely charged
- C. identical
- D. none of these Discuss
- 4. Guanine always binds to
Options- A. cytosine
- B. guanine
- C. thymine
- D. none of these Discuss
- 5. Fatty acids are oxidized to acetyl-CoA by which of the following pathways?
Options- A. ?-oxidation
- B. Entner-Doudoroff
- C. pentose phosphate pathway
- D. Embden-Meyerhof pathway Discuss
- 6. To which of the following adenine always binds?
Options- A. Guanine
- B. Cytosine
- C. Thymine
- D. None of these Discuss
- 7. In DNA sequencing, the primer
Options- A. specifies where the sequence ends
- B. specifies where the sequence begins
- C. both (a) and (b)
- D. generates variety of different sized fragments Discuss
- 8. Which is not an essential part of a two-component phosphorelay system?
Options- A. Response regulator
- B. Sensor kinase
- C. Autoinducer
- D. None of these Discuss
- 9. The function of ribosomes within the cell is
Options- A. to produce ATP
- B. to ferment carbohydrates
- C. to synthesize proteins
- D. all of these Discuss
- 10. The DNA that actually codes for a protein's primary structure in eukaryotes is
Options- A. the entire gene
- B. portions of the gene called introns
- C. portions of the gene called exons
- D. the promoter Discuss
Nucleic Acid Structure problems
Search Results
Correct Answer: a closed circle
Correct Answer: structures in DNA caused by inverted repeats
Correct Answer: complementary
Correct Answer: cytosine
Correct Answer: ?-oxidation
Correct Answer: Thymine
Correct Answer: specifies where the sequence begins
Correct Answer: Autoinducer
Correct Answer: to synthesize proteins
Correct Answer: portions of the gene called exons
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