- 1(current)
Q. No.With respect to nucleosome, which of the following statements is incorrect ?
| 1. | Nucleosome contains 120 bp of DNA helix. |
| 2. | Nucleosomes are seen as 'beads' on string' under Electron Microscope. |
| 3. | DNA is wrapped around positively charged histone octamer to form nucleosome. |
| 4. | Nucleosome is the repeating unit of chromatin. |
Subtopic: DNA Packaging |
87%
Level 1: 80%+
NEET - 2022
Hints
Read the following statements and choose the set of correct statements:
Choose the correct answer from the options given below:
| (a) | Euchromatin is loosely packed chromatin. |
| (b) | Heterochromatin is transcriptionally active. |
| (c) | Histone octomer is wrapped by negatively charged DNA in nucleosome. |
| (d) | Histones are rich in lysine and arginine. |
| (e) | A typical nucleosome contains 400 bp of DNA helix. |
| 1. | (a), (c), (e) only | 2. | (b), (d), (e) only |
| 3. | (a), (c), (d) only | 4. | (b), (e) only |
Subtopic: DNA Double Helix | DNA Packaging |
90%
Level 1: 80%+
NEET - 2022
Hints
- 1(current)
Q. No.
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