MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is true about Z-DNA helix? |
| A. | It has alternating GC sequences |
| B. | It is a permanent conformation of DNA |
| C. | It tends to be found at the 3 end of the genes |
| D. | It has fewer base pairs per turn than B-DNA |
| Answer» B. It is a permanent conformation of DNA | |
| 2. |
Which one of the following nucleic acids has a left handed helix? |
| A. | M-RNA |
| B. | T-RNA |
| C. | A-DNA |
| D. | Z-DNA |
| Answer» E. | |
| 3. |
Arrangement of nucleotides in DNA can be seen by ____________ |
| A. | Ultracentrifuge |
| B. | X-Ray crystallography |
| C. | Light microscope |
| D. | Electron microscope |
| Answer» C. Light microscope | |
| 4. |
According to Chargaff s rule, in a DNA molecule ____________ |
| A. | The amount of adenine and thymine is equal to the amount of guanine and cytosine |
| B. | The amount of adenine and guanine is equal to the amount of thymine and cytosine |
| C. | The amount of adenine and uracil is equal to the amount of guanine and cytosine |
| D. | The amount of adenine and guanine is equal to the amount of uracil and cytosine |
| Answer» B. The amount of adenine and guanine is equal to the amount of thymine and cytosine | |